Photoplastic effect in polycarbonate using microhardness measurements

Bulletin of materials science

V K Vastal¹  B P Chandra¹  Sandhya Sharma¹  R Bajpai¹ 

[1] Department of Postgraduate Studies and Research in Physics, Rani Durgavati University, Jabalpur 482 001, India$$Department of Postgraduate Studies and Research in Physics, Rani Durgavati University, Jabalpur 482 001, IndiaDepartment of Postgraduate Studies and Research in Physics, Rani Durgavati University, Jabalpur 482 001, India$$

关键词: Photoplastic effect;    polycarbonate;    microhardness.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

Vickers microhardness indentation technique has been employed to detect the photoplastic effect in the transparent polycarbonate specimens in darkness and under mercury illumination. For low applied loads, the hardening of specimens under illumination confirms the positive photoplastic effect that causes illumination-induced increase of crosslinking (in polymer). For high applied loads the positive photoplastic effect decreases as the level of microhardness decreases.

【 授权许可】

Unknown