Effect Of PbO Research Articles

Effect of PbO on mechanical and radiations shielding properties of 70P2O3–5Al2O3–25Na2O glass system: A theoretical study

This study investigates the mechanical as well as shielding properties of 70P2O3–5Al2O3-(25-x)Na2O-xPbO, while using advanced MCNPX simulations code and Phy-X software. Advanced MCNPX coding simulation and online Phy-X software are used to compare the properties of three aluminum lead phosphate glasses named S1, S2 and S3 with PbO concentrations 0, 10, and 20 mol%, respectively. Various shielding parameters were calculated in the photon energy ranging from 0 to 15 MeV. These parameters include mass attenuation coefficient, effective atomic number, half-value layer, tenth-value layer, mean free path and linear attenuation coefficient. Our comparative analysis of the results from MCNPX and Phy-X in the case of mass attenuation coefficient indicates a high level of agreement, differing by less than 2% from each other. The half-value layer for S3 was found at 0.003 cm, 1.709 cm, and 5.984 cm at energies of 0.01 MeV, 0.5 MeV, and 15 MeV, respectively, while for S1 these values were found at 0.010 cm, 3.35 cm, and 13.96 cm in the same energy spectra. The results show that S3, with 20% PbO, is more likely to attenuate the gamma and X-ray photons; due to their minimum values of tenth value layer, half value layer, mean free path, and greater mass attenuation coefficient, effective atomic number as compared to S1 (undoped) and S2 (10% doped with PbO). The mass attenuation coefficient for S3 was found between 67.95 cm2/g to 0.030 cm2/g, while for undoped S1, these values varied between 27.64 cm2/g to 0.021 cm2/g in the energy range of 0–15 MeV. Furthermore, the Makishima-Mackenzie model is utilized to evaluate the mechanical behavior of our glass samples, influenced by factors such as energy of dissociation and packing density related to components of oxide. The mechanical features encompass various moduli, Poisson's coefficient and microhardness. The introduction of PbO in glass samples S2 and S3 increased all these properties, excluding Poisson's coefficient which decreases with the addition of PbO. Our findings provide valuable insights into the shielding and mechanical parameters of these glasses, suggesting probable applications in fields such as optics and nuclear physics.

Structural investigation and thermal properties of Al2O3-PbO-B2O3 glasses

Two series of aluminum lead borate glasses, (Al2O3)y(PbO)35-y(B2O3)65 and (Al2O3)y(PbO)70-y(B2O3)30, were prepared and effect of PbO → Al2O3 substitution on their structure and thermal properties was studied. The semi-quantitative analysis of the Raman spectroscopy data was used to structural interpretation of glass transition behavior in the Al2O3-doped lead borate glasses. The mechanisms of structural reorganization of glassy network under PbO → Al2O3 substitution were found to differ for the studied series although Al3+ ions are incorporated in the glass network, mainly, in form of AlO4 units in the both cases. The formation of AlO4 tetrahedra is accompanied by transformation of various isolated borate anions into finite-sized metaborate chains as well as the conversion of four-fold coordinated [BØ3O−]− species with one non-bridging oxygen atom into fully polymerized [BØ4]− tetrahedra in the (Al2O3)y(PbO)70-y(B2O3)30 glasses. In the series of glasses with high concentration of B2O3, B[4] → B[3] transformation including the shift of [BØ4]− ↔ BØ2O− equilibrium toward the right side is the main process of structural reorganization caused by PbO → Al2O3 substitution. In this case, the change in the network connectivity is determined by competition between increasing the amount of Al-O-B bonds against the background of decreasing the amount of B-O-B bonds between borate structural species. In the B-poor series, the glass transition temperature increased with Al2O3 from 280 to 360 °C, and the crystallization peak onset occurs at 340 and 380 °C for the glasses with the 0 and 3 mol.% Al2O3 contents, respectively (higher aluminum oxide contents already prevent crystallization). In the B-rich series, Tg increases with the Al2O3 content from 430 to 490 °C, and the crystallization occurs at 560 °C only for the Al2O3-free glass. The structural relaxation behavior in the glass transition rage was described in terms of the Tool-Narayanaswamy-Moynihan model. The activation energy for the relaxation movements was found to be non-monotonous in case of both compositional series.

Effect of PbO and B2O3 on the Physical, Structural, and Radiation Shielding Properties of PbO-TeO2-MgO-Na2O-B2O3 Glasses

The process of melt quenching is utilized in the preparation of the PbO-TeO2-MgO-Na2O-B2O3 glasses. The effect of PbO and B2O3 on the physical, structural, and radiation shielding properties of present glasses have been presented in this study. As the lead concentration rises, both the density and the molecular weight rise, climbing from 3.283 to 3.923 g/cm3 and from 105.638 to 128.675 g, respectively. The utilization of PbO as an alternative to B2O3 contributes to an increase in the overall number of at-oms, which in turn contributes to an increase in the molar volume. The XRD spectra show that the samples are amorphous. The different bending and stretching vibrations of the bonds present in the samples are shown by the FTIR spectra. The mass attenuation coefficient (MAC), linear attenuation coefficients (LAC), half-value layers (HVL), and effective atomic number (Zeff) were calculated using Phy-X software within the energy range 0.284–2.506 MeV. These obtained verdicts advocate that pre-pared Pb4 glass containing the highest concentration of PbO showed supreme shielding ability comparing the rest of the pre-pared glasses. According to these results, it can be said that PbO and B2O3 are the weighty additive composites for glass composition in the interest of radiation shielding.

Effect of PbO on the elastic and radiation shielding properties of B2O3–Bi2O3–Al2O3–CuO glasses

Investigations of quinary B2O3–Bi2O3–Al2O3–CuO–PbO glasses have been accomplished. The density and the ultrasonic velocities variations were exploited to establish the elastic parameters of the glasses. In addition, a correlation between the ultrasonic parameters and the structural modifications characterized by the FTIR spectra to clarify the function of PbO was achieved. The FTIR spectra suggest that PbO is possibly implanted into the aluminum-borobismuthate network forming [PbO6] units, while Bi2O3 and Al2O3 affect the network with [BiO6] and [AlO6] structural units. Furthermore, the changes of the structure and the elastic moduli were understood based on the vibrations of lead, aluminates, bismuthate, and borate structural units on one side and the substitution of high-bond strength B2O3 via low-bond strength PbO. The results of γ-ray attenuation-coefficients indicate that the values of the mass attenuation coefficient (μm), effective atomic number (Zeff), and electron density (Ne) of the prepared samples increase as a function of PbO content. Additionally, the half-value layer (HVL) and the mean free path (MFP) decrease with increasing PbO content. The glass sample 60.5B2O3–20Bi2O3–7Al2O3–0.5CuO–12PbO (mol%) exhibits the highest values of μm (0.15521 at 356 keV), Zeff (26.67 at 356 keV), and Nel (3.24 at 356 keV) and the lowest elastic moduli (Young’s modulus 80.7 GPa and bulk modulus 48.6 GPa).

Optical and gamma ray shielding behavior of PbO–B2O3–CuO–CaO glasses

The melt quenching process have been used to fabricate the PbO–B2O3–CuO–CaO glass samples. The density increases with the inclusion of PbO to the samples. The optical band gap decreases as PbO mol% concentration rises. With the rise in PbO concentration, the refractive index, dielectric constant, and optical dielectric constant increase from 2.141 to 2.248, 4.583 to 5.052, and 3.583 to 4.052, respectively. The selected glass samples were found to be non-metallic in nature. The radiation shielding features were reported using EpiXS software from 0.122 to 1.458 MeV. The mass attenuation coefficient (μm) decreases as the sample constituent PbO is replaced with B2O3. The 50PbO–20B2O3–15CuO–15CaO glass sample, which is denoted by A4, has the highest μm in all photon energy. The radiation protection efficiency (RPE) drops dramatically while the energy increases from 0.122 to 1.458 MeV. The RPE of all glass samples is virtually 1 at 0.122 MeV, implying that they can all block all incoming radiation of 0.122 MeV. The prepared glasses possess promising radiation shielding properties. The largest relative reduction in transmission (RRT) values have been recorded to be 82% at 0.122 MeV. At low energies, the effect of PbO on photon transmission through the glass is significant, but as the energy increases, the effect of PbO on photon transmission decreases.

Binary and ternary phase diagrams of lead, bismuth, and lead oxide

The phase diagrams of binary and ternary mixtures of lead (Pb), bismuth (Bi), and lead oxide (PbO) are necessary for the application of Pb-Bi alloys as coolants in nuclear reactors. In this study, the solidus and liquidus temperatures of Pb-Bi, Pb-PbO, Bi-PbO binary mixtures and the liquidus temperature of Pb-Bi-PbO ternary mixture were measured via differential thermal analysis. The eutectic points of the three binary mixtures and the liquidus temperature of ternary mixture were experimentally determined and the effect of PbO on the phase diagram of the Pb-Bi mixture was analyzed. Furthermore, an optimized regular solution model, which showed much better prediction accuracy than the traditional model, was proposed for the phase diagrams of sub-binary and ternary Pb-Bi-PbO mixtures.

Physical, structural and gamma ray shielding behaviour of PbO-CuO-CaO-B2O3 glasses

The amorphous PbO-CuO-CaO-B2O3 glasses, fabricated using the melt quenching technique, were studied for their physical, structural and gamma ray shielding behaviour. The density of the glasses increases with PbO content. As ion concentration increases whereas the polaron radius and inter-nuclear distance decreases with lead content. Oxygen packing density and oxygen molar volume depends upon the density and molar volume values. The recorded FTIR spectra indicated the stretching and bending vibrations of the groups formed in the glasses. The transmission factor (TF) was calculated at 0.284 and 0.511 MeV and we found that for the glass with chemical composition 35PbO-35B2O3–15CuO–15CaO, the TF is 54% at a photon of 0.284 MeV, but this value increases to 77% when the photon has an energy of 0.511 MeV. Also, the radiation shielding results demonstrated that the radiation protection efficiency of glass is improved by adding PbO. From the tenth value layer TVL) results, we found that with increasing energy, the ratio TVLA1/TVLA4 decreases gradually, and this means that the effect of PbO is more pronounced at lower energies. At 0.284 MeV, the recorded ratio is 1.4, while this ratio decreases to 1.3 at an energy of 0.347 MeV and to 1.2 at an energy of 0.826 MeV. The results from this work reveal the importance of using a relatively high percentage of heavy metal oxides such as PbO in the manufacture of new and promising glass systems for use as alternative materials in radiation protection.

Regulation of lead oxide on Cyaniding Behavior of chalcopyrite

During the cyanidation of gold‑copper ores and concentrates, the chalcopyrite significantly increases cyanide consumption. The effects of PbO on the chalcopyrite dissolution mechanisms were studied by SEM and XPS analyses during cyanation. A small amount of PbO could promote the dissolution of chalcopyrite, while more PbO would inhibit dissolution. When 0.5 g/L PbO was added, the main lead compound on the surface of chalcopyrite was PbS, which could enhance the electron transfer between cyanide and chalcopyrite, thus facilitating the dissolution of chalcopyrite. The amount of PbS precipitates increased in the leaching system when the amount of PbO was more than 0.5 g/L. This reduced prominently the free sulfide ions concentration in the solution. PbS would be oxidized to form thiocyanate and lead (II) ions when the concentration of sulfur ions decreased continuously in the solution. These lead (II) ions would react with OH– to form Pb(OH)2 precipitates, which attach to the surfaces of chalcopyrite and inhibit its dissolution in cyanide solutions. The developed method can not only improve the leaching rate of gold but also reduce the consumption of reagents.

Self-discharge mitigation in a liquid metal displacement battery

Recently, a disruptive idea was reported about the discovery of a new type of battery named Liquid Displacement Battery (LDB) comprising liquid metal electrodes and molten salt electrolyte. This cell featured a novel concept of a porous electronically conductive faradaic membrane instead of the traditional ion-selective ceramic membrane. LDBs are attractive for stationary storage applications but need mitigation against self-discharge. In the instant battery chemistry, Li|LiCl-PbCl2|Pb, reducing the diffusion coefficient of lead ions can be a way forward and a solution can be the addition of PbO to the electrolyte. The latter acts as a supplementary barrier and complements the function of the faradaic membrane. The remedial actions improved the cell’s coulombic efficiency from 92% to 97% without affecting the voltage efficiency. In addition, the limiting current density of a 500 mAh cell increased from 575 to 831 mA cm−2 and the limiting power from 2.53 to 3.66 W. Finally, the effect of PbO on the impedance and polarization of the cell was also studied.

New shielding ZnO-PbO-TeO2 glasses

The effect of PbO and TeO2 concentration on the photon, fast neutron and charged particles shielding capacity of the ternary ZnO-PbO-TeO2 glass systems with the form [(TeO2)0.7-(PbO)0.3]1−x(ZnO)x: x = 0.15–0.25 mol% (TPZ1-TPZ5) glass system was investigated. For this purpose, the mass attenuation coefficient (MAC=μρ) values of the glasses were produced with MCNPX codes and WinXCOM program in the wide energy range of 0.015–15 MeV. Due to the high PbO and TeO2 contributions, the largest MAC values were obtained for the TPZ5 glass. Then important gamma parameters such as effective atomic number, half value layer, effective electron density, equivalent atomic number, and exposure and energy absorption buildup factors (Zeff, HVL, Nel, Zeq and EBF and EABF) were also calculated for TPZ glasses. While the highest Zeff values were found for TPZ5 glass, changing between 48.43 and 51.01, the lowest HVL, EABF and EBF values were calculated for TPZ5 glass. As can be seen from the removal cross section, mass stopping power, and projected range (ΣR, MSP, and PR) results for TPZ glasses, the TPZ5 glass can also be a good shielding material for fast neutrons and alpha-proton particles. As a result, the hypothesis of the study has been confirmed and we believe that the obtained data from this study will be beneficial for the potential use of Te-based glasses in shielding applications.

Physical, structural, and gamma ray shielding studies on novel (35+x) PbO-5TeO2-20Bi2O3-(20-x) MgO-20B2O3 glasses

The primary aim of this investigation is to synthesize a novel glass system with a composition (35+x) PbO-5TeO2-20Bi2O3-(20-x) MgO-20B2O3 (where x=0, 5, 10, 15, and 20 mol%) by melt quenching method. The confirmation of the amorphous behavior and the presence of the various vibration modes and stretching modes have been analyzed using the XRD and FTIR techniques, respectively. The radiation shielding parameters of these glasses were reported using MCNP5 simulation. The effects of PbO on the MCNP5 parameters were investigated in detail. The mass attenuation coefficient (MAC) was simulated via MCNP5 code, and it was found that the MAC values from MCNP5 all follow the same trend as the XCOM data. The similarity means that the two simulations strongly agree with each other. The linear attenuation coefficient (LAC) was calculated for all the glasses. The glass sample with 55 mol% of the PbO has the greatest LAC at any energy, such as 0.317 at 10 MeV, the lowest investigated energy. From the LAC values, other parameters such as transmission factor (TF), lead equivalent thickness (d lead), and half-value layer (HVL) were reported. The results for the TF of the glasses revealed that the glass systems become more effective as their thickness increases. Glass sample with 35 mol % of the PbO recorded the highest TF at all energies due to its lack of PbO content, such as 15.533% for a thickness of 1 cm and 6.122% for 1.5-cm thickness at 0.3 MeV. The radiation protection efficiency (RPE) was also determined, and we found that the glasses with the greater PbO content and least MgO content have the highest RPE. Therefore, based on the RPE values, glasses with the greater PbO are the most effective radiation shield from the investigated glasses.

Core-shell microstructure simultaneous solidification mechanism of Cr(III), Mn(IV), Ni(II) and Pb(II) in glass-ceramics

Glass-ceramics with crystal-coated glass phase microstructure were designed and prepared using the method of base-glass surface crystallization to simultaneously solidify multiple heavy metal ions (Cr3+, Ni2+, Mn4+ and Pb2+). Cr2O3 and PbO had opposite effects on the surface crystallization of the base glass, promoting and inhibiting it, respectively, when their concentrations were increased from 0.1 to 0.9 wt.%. This then affected their resistance to leaching of heavy metal. When the mass ratio of Na2O/SiO2 was increased from 0.08 to 0.20, the effect of PbO on inhibiting surface crystallization was weakened. The distribution of Cr3+, Ni2+, Mn4+ was inhomogeneous, and the concentrations of the ions were the highest at the glass phase-crystal interface and lowest in the wollastonite (CaSiO3) crystals.However, the concentration of Pb2+ at the interface decreased and the content of Pb2+ in the crystal gradually increased. The leaching test results showed that the leached concentrations of Cr3+, Mn4+, Ni2+, Pb2+ are all on the order of 10−2 mg/L.

Effect of PbO on cyanidation leaching behavior of bornite

During the cyanidation of gold‑copper ores or concentrates, the presence of cyanide-soluble copper significantly increases the cyanide consumption. However, the consumption of cyanide and dissolved oxygen, the concentration of sulfide ions in the leaching solution decreased with the increase of PbO amount. The SEM-EDS analyzed that there was no obvious corrosion on the surface of the bornite leaching residue in the presence of 1.5 g/L PbO, but the surface was getting very sleek. It was known from thermodynamic calculation that PbO would partially dissolve to form plumbite ions in the alkaline cyanide solution, and plumbite ions would react with sulfide ions to form PbS precipitate. The XPS analysis also proved that a large amount of undissolved PbO and PbS precipitation were adsorbed on the surface of bornite. The adhesion of PbO and PbS on the surface of bornite inhibited dissolution of bornite in the cyanide solution.

Design and testing of high‐density polyethylene nanocomposites filled with lead oxide micro‐ and nano‐particles: Mechanical, thermal, and morphological properties

ABSTRACTThis research discusses the mechanical behavior and the microstructure of high‐density polyethylene (HDPE)‐based composites, manufactured using the melt‐mixing and thermal‐pressing techniques, where HDPE is mixed with various percentages of either bulk lead monoxide (bulk PbO) or PbO nanoparticles (PbO‐NPs) acting as fillers. The scanning electron microscope and the field emission transmission electron microscope were utilized to identify the morphology of polymeric composites. Both showed the proper dispersion of PbO in the HDPE matrix without substantial agglomerations. The effect of PbO on the thermal behavior of the HDPE was studied using the thermogravimetric analysis. Tensile tests were implemented to find out how the mechanical characteristics of the composites were affected. Yield stress, % elongation at break, stiffness, tensile energy (toughness), ultimate tensile strength, and ultimate tensile strain were elucidated in this work. The values of stiffness, ultimate tensile strength, and yield stress increased by increasing either the bulk PbO or PbO‐NPs' loading up to 40.0 wt % with reference to the hosting matrix. The values of ultimate tensile strain, tensile energy, and % elongation at break of the assembled composites diminished dramatically by increasing the filler's content from 10.0 to 50.0 wt %. Besides, composites with PbO‐NPs as a filler were identified as having higher mechanical characteristics than those with bulk PbO for the same wt %. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci.2019,136, 47812.

Effect of PbO on the shielding behavior of ZnO–P2O5 glass system using Monte Carlo simulation

In this work, MCNP5 as a Monte Carlo code is used to calculate gamma ray attenuation coefficient of x PbO-(50−x) ZnO- 50 P2O5 glasses where x=10, 20, 30, 40 and 50mol% at 0.122, 0.356, 0.511, 0.662, 0.84, 1.17, 1.275 and 1.33MeV photon energies. The simulated results of mass attenuation coefficients were compared with the output of XCOM program. Good agreement was observed between simulated and XCOM results. The obtained mass attenuation coefficients were further used to calculate the effective atomic number, electron density, half value layer and mean free path. The maximum values of mass attenuation coefficients and effective atomic number were found for PZPb50 glass sample. The results from this study indicate that the MCNP5 code used in this work may be utilized as a better alternative to experimental work to make supplementary calculations on the photon attenuation characteristics of other materials and glass systems. The lower values of the mean free path of the selected samples as compared to the standard shielding concretes; establishes them as suitable gamma shields. PZPB50 is the best among the selected shielding glasses.

Effect of PbO on optical properties of tellurite glass

Abstract Binary (1 − x)(TeO2) − x(PbO), x = 0, 0.10, 0.15, 0.20, 0.25, 0.30 mol% glass system was fabricated using melt quenching method. X-ray diffraction (XRD) technique was employed to confirm the amorphous nature. The microanalysis of the major components was performed using energy dispersive EDX and X-ray spectrometry. Both the molar volume and the density were measured. FTIR and UV spectra were recorded at 400–4000 cm–1 and 220–800 nm, respectively. The optical band gap (Eopt), Urbach’s energy (Eu), index of refraction (n) were calculated using absorption spectrum fitting (ASF) and derivation of absorption spectrum fitting (DASF) methods. Molar refraction Rm and molecular polarizability α m have been calculated according to (ASF) method.

Effect of PbO on the B2O3–TeO2–P2O5–BaO–CdO–Sm2O3 glasses - Structural and optical investigations

This paper reports the effect of lead oxide on the optical properties of Sm3+ doped (60-x) B2O3–xPbO–14TeO2–10P2O5–7.5BaO–7.5CdO–1Sm2O3 (SBTXL) glasses. The SBTXL glasses were prepared with different concentrations of PbO, varied from 0 to 40wt%. The FTIR spectra reveal significant structural changes (e.g., BO3, BO4, PbO4, TeO3 and TeO4) in the glass induced by the inclusion of lead oxide. The UV-Vis-NIR absorption spectra were used to calculate the oscillator strength, bonding parameters (δ), nephelauxetic ratio (β) and Judd–Ofelt parameters. The negative values of bonding parameter (δ) suggest predominant ionic nature of binding of the Sm3+ ions. A deep red luminescence is observed from 4G5/2→6H7/2 transition of Sm3+ ions in the title glasses. The luminescence intensity increases with increase in the concentration upto 0 to 20wt% and beyond that, concentration quenching is observed. Judd-Ofelt parameters follow the trend as Ω4>Ω6>Ω2. Higher symmetry is observed for the lower values of Ω2 and Red/Orange ratio. The Ω2 parameter and red-to-orange intensity ratio (R/O) of the Sm3+ emission depend on the PbO content in the SBTXL glasses. The SBT20L glass has higher stimulated cross-section and gain bandwidth. The optical gain parameter (35.4×10−25cm2s) of the SBT20L glass is found to be higher than the other Sm2O3 doped glass systems. The CIE colour coordinates fall in the reddish orange region.

Effect of PbO on the spectral and thermo-optical properties of Nd3+-doped phosphate laser glass

Nd3+-doped P2O5-K2O–Al2O3–BaO-PbO phosphate glasses with various PbO/BaO ratios were synthesized using the melt quenching technique. Raman, absorption, and emission spectra were measured to investigate the effects of PbO/BaO ratios on the structures and spectroscopic properties of the glasses. The emission cross-sections of the Nd3+-doped phosphate glasses were calculated using the Judd–Ofelt theory, and were found to increase from 4.37 × 10−20 to 4.50 × 10−20 cm2 as the PbO/BaO ratio increased. In addition, thermo-optical properties were measured using an interferometric technique. The thermo-optical coefficients, which were −1.49 × 10−6, −1.65 × 10−6, and −1.64 × 10−6 K−1, respectively, were all largely negative values. The thermal expansion coefficients of the three glass samples varied within a small range. The results showed that increasing the PbO/BaO ratio of phosphate glasses can improve the laser properties while maintaining their good thermo-optical properties.

Effects of PbO on the oxide films of incoloy 800HT in simulated primary circuit of PWR

Effects of trace PbO on oxide films of Incoloy 800HT were investigated in simulated primary circuit water chemistry of PWR, also with proper Co addition. The trace PbO addition in high temperature water blocked the protective spinel oxides formation of the oxide films of Incoloy 800HT. XPS results indicated that the lead, added as PbO into the high temperature water, shows not only +2 valance but also +4 and 0 valances in the oxide film of 800HT co-operated with Fe, Cr and Ni to form oxides films. Potentiodynamic polarization results indicated that as PbO concentration increased, the current densities of the less protective oxide films of Incoloy 800HT decreased in a buffer solution tested at room temperature. The capacitance results indicated that the donor densities of oxidation film of Incoloy 800HT decreased as trace PbO addition into the high temperature water.

The Effect of PbO on the Physical and Structural Properties of Borate Glass System

Borate is one of the most popular oxide glass being used in glass research world wide. Due to good reputation, therefore lead sodium borate glasses with compositions (90 - x) B2O3 + 10ZnO + xPbO (where = 15, 20, 25, 30 and 35 mol %) have been prepared by using melt-quenching method. In this work, their physical and structural properties with respect to PbO content has been investigated. The densities of these glass samples were increased from 3946.2 kg/m3 to 5107.2 kg/m3 with an increase in PbO concentration. The molar volume are found to vary from 23.78 × 10-6 m3mol-1 to 24.39 × 10-6 m3mol-1 with respect to PbO content as well. The density and molar volume show inversed result respectively. The FTIR spectral analysis indicates that with the addition of PbO contents in the glass network, structural units of BO3 are transformed in BO4. There are no sharp peaks were observed in XRD patterns of the glass samples which confirmed the amorphous nature of the glass. Meanwhile, the micro hardness of these glass samples were also increased from 189 Pa to 355 Pa with increases on PbO content. The results will be discussed and presented in details.