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- Photoplastic effect in polycarbonate using microhardness measurements
  
  R Bajpai Sandhya Sharma V K Vastal B P Chandra
  
  Polymers Volume 26 Issue 5 August 2003 pp 537-541
- Fulltext
  
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  https://www.ias.ac.in/article/fulltext/boms/026/05/0537-0541
- Keywords
  
  Photoplastic effect; polycarbonate; microhardness.
- Abstract
  
  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.
- Author Affiliations
  R Bajpai¹ Sandhya Sharma¹ V K Vastal¹ B P Chandra¹
  1. Department of Postgraduate Studies and Research in Physics, Rani Durgavati University, Jabalpur 482 001, India
- Dates
  
  Published
  August 2003
  Manuscript received
  6 August 2002
  Manuscript revised
  5 April 2003

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