摘要
本文报导了２０＃低碳钢薄壁圆管试件在比例加载时Ｐ－ｐ复杂应力状态的实验结果．主要研究了：（１）初始屈服面；（２）经简单拉伸预加载和比例预加载情况下的强化规律，（３）折线预加载情况下的强化规律；（４）预施塑性变形量相等路径不同时的强化规律．
This peper presents the experimental results of thin-wall pipes of the 20#. low carbon steel under the proportional loading P-p in conplex stress condition. Main contains of reseatch are: (1) Initial yield surface; (2)Law of strain hardening under simple tensile preloading and proportional loading; (3) Law of strain hardening under broken line preloading; (4) Law or strain bardening under difterent loading path, but the each of the resultal plastic strain is same at the end of the leding path.
出处
《固体力学学报》
CAS
CSCD
北大核心
1994年第4期351-354,共4页
Chinese Journal of Solid Mechanics
基金
国家自然科学基金
关键词
塑性
低碳钢
强化
应力
应变
plasticity
experiment
yield surface
