Abstract
Lead Apron is a Personal Protective Equipment (PPE) against the effect of Ionizing Radiation such as X-ray. It is essential for the radiation worker to wear Radiation Protection Equipment during commissions involving ionizing radiation. In Pekanbaru, Indonesia the most common radiation worker is Radiographer which help in hospital for diagnose. In this study the Lead Apron analyzed were 6 apron which suspected to have fault due to its inappropriate tend using NDT radiography methods. Radiography methods have advantage of graphic presentation of object unlike any NDT-methods. The image produce from radiography were analyzed using Computed Radiography (CR) and measured the defection of the material. There was only 3 of 6 Lead Apron appropriate for radiation protection.
Highlights
The Lead Apron is a piece of Personal Protective Equipment
that protects its user against the effects of ionizing radiation which is common in things
It is essential for the radiation worker to wear Radiation Protection Equipment during commissions involving ionizing radiation
Summary
Terbatas kemampuan melihat kecacatan di bawah permukaan, hanya terbatas untuk bahan ferromagnetic. Pengujian tanpa musnah dilakukan dengan banyak metode tergantung terhadap bahan dan kecacatan yang ingin diinspeksi. Variasi metode NDT memiliki kelebihan dan kekurangannya masing-masing. Radiografi menggunakan gelombang elektromagnetik pendek yang melewati bahan dan selanjutnya ditangkap oleh detektor (Jolly et al., 2015). Radiografi memiliki keuntungan dari metode NDT lainnya. Pengujian radiografi yang biasa digunakan adalah dengan menggunakan x-ray dan sinar gamma. X-ray yang banyak digunakan dalam radiografi karena sinar gamma memiliki masalah keamanan. Pengunaan radiografi sangat baik untuk melihat tipe kecacatan bahan seperti delaminasi, dan keretakan makro dan/atau mikro. Dalam penelitian yang dilakukan oleh Jolly et al (2015), metode radiografi memberikan hasil yang baik dalam menghasilkan data yang reliabel dalam pendeteksian kecacatan dalam bahan dibandingkan dengan metode ultrasonik dan thermografi. Metode radiografi ini lebih relative mahal dibandingkan dengan metode lainnya
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