热处理对316L不锈钢编织网组织及力学性能的影响

Influence of heat-treatment on microstructure and properties of 316L stainless steel woven meshes

摘要: 对316L不锈钢编织网分别进行1 080℃和1 350℃退火处理，将原始状态和退火后丝网的纤维组织、力学性能和断裂方式进行了对比研究。结果表明，丝网经过高温退火处理后晶粒明显增大，搭接点出现了熔合焊接现象，屈服强度和抗拉强度大幅降低，断后伸长率有所提高，宏观断裂方式由正断转变为切断。

Abstract: 316L stainless steel woven meshes were annealed at 1 080℃ and 1 350℃，and the microstructures，mechanical properties and fracture modes were studied compared with that of 316L stainless steel woven meshes without heat treatment．The results show that the grain size becomes larger obviously after annealing treatment，fusion welding phenomenon occurs at contact points of the wires，the yield and tensile strength decreases greatly while the ductility increases，and the macroscopic fracture mode changes from normal to shear fracture．