Effects of aging and thread rolling process sequence on mechanical properties of GH738 alloy bolt

doi:10.13251/j.issn.0254-6051.2020.12.028

Heat Treatment of Metals ›› 2020, Vol. 45 ›› Issue (12): 140-141.DOI: 10.13251/j.issn.0254-6051.2020.12.028

• PROCESS RESEARCH • Previous Articles Next Articles

Effects of aging and thread rolling process sequence on mechanical properties of GH738 alloy bolt

Pei Lieyong, Dai Aili, Fan Kailun, Wang Yunlan, Liu Yongde, Liu Wencheng

Guizhou Aerospace Precision Products Co., Ltd., Zunyi Guizhou 563000, China

Received:2020-07-06 Online:2020-12-25 Published:2021-01-14

Abstract

Abstract: Effects of aging and thread rolling process sequence on the mechanical properties of GH738 alloy bolt were studied. The results show that the hardness, tensile strengths at room temperature and at high temperature, stress endurance life and tensile fatigue life of the GH738 alloy bolts manufactured by aging after thread rolling are all higher than those by thread rolling after aging.

Key words: GH738 alloy, bolt, aging, thread rolling, mechanical properties

CLC Number:

TH162

Pei Lieyong, Dai Aili, Fan Kailun, Wang Yunlan, Liu Yongde, Liu Wencheng. Effects of aging and thread rolling process sequence on mechanical properties of GH738 alloy bolt[J]. Heat Treatment of Metals, 2020, 45(12): 140-141.

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Effects of aging and thread rolling process sequence on mechanical properties of GH738 alloy bolt

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