The magnetic signals were hardly varied during elastic and plastic deformation periods but changed after fracture rapidly.
试件拉伸过程中塑性变形阶段内磁信号无较大数值变化，断裂后信号突变。
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
结果表明：该合金的室温压缩变形过程表现为弹性和塑性变形，弹性应变很大，可达到2%。
Establish finite element model, and use elastic - plastic mechanics to discuss stress-stain state of elastic and plastic deformation in cutting zone.
根据正交切削特点建立了有限元模型，应用弹塑性力学讨论了切削变形区的弹、塑性阶段的应力、应变状态。
应用推荐