Abstract
The spark plasma sintering (SPS) method is of great interest to the powder and powder metallurgy industry and material researchers of academia for both product manufacturing and advanced material research and development. Today in Japan, a number of SPS products for different industries have already been realized. Today’s fifth-generation SPS systems are capable of producing parts of increasing size, offering improved functionality, reproducibility, productivity, and cost. For instance, pure nano-Tungsten Carbide WC powder (no additives) is fully densified with a nano-grain-sized structure for glass lens application in the optics industry. The SPS is now moving from scientific academia and/or R&D proto-type materials level usage to practical industry use product stage utilizing in the field of electronics, automotive, mold and die, cutting tools, fine ceramics, clean energy, biomaterials industries, and others. This paper reviews and introduces the peculiar phenomenon of SPS and the progress of SPS technology, method, development of SPS systems, and its industrial product applications.
Highlights
During the past three decades, the spark plasma sintering (SPS) method has been expanding remarkably in the field of R&D on ceramics materials, in both scientific academia and industry
Pulsed electric current applied sintering of SPS method was originally invented in Japan and its use has been spreading around the world
The findings suggest that it is important to select an optimum combination between SPS parameters and heating rate that is delicately effective for generating new micro/nano-structures in the SPS-consolidated ceramics [55]
Summary
During the past three decades, the spark plasma sintering (SPS) method has been expanding remarkably in the field of R&D on ceramics materials, in both scientific academia and industry. Using the 5th generation SPS systems indicated, cost-effective SPSed products in different industries have already been commercializing. Using the 5th generation SPS systems indicated, cost-effective SPS products in different industries have already been commercializing SPS is a part of this group, SPS or SPS process is currently used the most popular technical term worldwide, so we commonly use “SPS” in this paper
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