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機械各部締結用切削ねじの疲労に関する研究 : 繰返し負荷方法の影響 五十君, 清司 ISOGIMI, Kiyoshi 栗田, 肇 KURITA, Hajime 社団法人日本機械学会 本文データは学協会の許諾に基づきCiNiiから複製したものである 530 Fatique Strength Screw Thread Bolt-nut Connection Yielding Preload Lubrication Strain Hardening application/pdf The effects of various kinds of factors on the fatigue strength of machined screw thread connection generally used as the fastener of machine components are examined. Effects of materials (i. e. heat-treatment), fastening force, yielding pre-tension or pre-compression before the oscillating loading test and lubrication between the connecting surfaces are chosen as the factors. Fatigue tests are performed for both types of screw thread, and bolt-nut connections made of normalized or tempered S 45 C, and obtained results are investigated in detail. Consequently, the effects on the fatigue strength are clarified. Furthermore, the strain hardening caused at each step of the machining and loading process is discussed. 日本機械学会 1987-12-25 jpn journal article VoR http://hdl.handle.net/10076/8696 https://mie-u.repo.nii.ac.jp/records/8270 http://ci.nii.ac.jp/naid/110002390544/ AN00187463 0387-5024 日本機械学會論文集. C編 53 496 2640 2644 https://mie-u.repo.nii.ac.jp/record/8270/files/40A6907.pdf application/pdf 405.9 kB 2017-02-18