Analysis of flakes of low carbon low alloy steel
SUN Ben-wei;WANG Zhi-wei;Engineering Quality Monitoring Management Center;Anshan Iron and Steel Group Corporation;Ansteel International Trade Corporation;
Analysis of cracking failure of elastic washer
SUN Guo-feng;JIANG Zhao-xi;GU Ming-jie;WANG Hui;Haiyan Guojian Testing Technology Co.;Ltd.;China National Center for Quality Supervision and Test of Standard Parts;