2236 微小引張試験片を用いた塑性加工異方性の評価(S15-3 実験力学と材料評価(3),S15 実験力学と材料評価)

概要

論文の詳細を見る
A micro tensile testing technique was developed to evaluate anisotropic mechanical properties of plastic worked material. The specimen used was a cold drawn austenitic stainless steel (SUS316L) rod. Micro tensile specimens with gage length of 4mm and cross section of 1mm×0.8mm rectangle were taken from the rod by wire-electrical discharge machining. The stress-strain curve agreed with that obtained by a conventional tensile specimen. To evaluate the mechanical properties of a cold drawn material, several specimens were taken in both longitudinal and circumferential directions. The result revealed that near the surface of worked rod, tensile strength was higher, but fracture strain was smaller. The developed technique can quantitatively evaluate the mechanical properties of a limited area.
社団法人日本機械学会の論文
2007-09-07