Effect of heat treatment process on strain hardening index for cold coiling spring steel
Jiang Yun1,3, Liang Yilong2,3, Xu Jun2,3, Yi Yanliang2,3, Yan zhen2,3
Heat Treatment of Metals . 2015, (10): 108 -112 .  DOI: 10.13251/j.issn.0254-6051.2015.10.025