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Summary & Details

Method for Evaluating the Ductile Crack Initiation Properties of Steel Sheet

薄鋼板の延性亀裂発生特性評価手法

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20244248

Paper/Info type: Journal of Society of Automotive Engineers of Japan

Vol.78 No.4

Pages: 62-68(Total 7 p)

Date of publication: Apr 2024

Publisher: JSAE

Language: Japanese

Detailed Information

Category(J)	ホットトピックス Translation
Category(E)	Hot Topics
Author(J)	1) 畑本麻斗, 2) 島貫広志
Author(E)	1) Asato Hatamoto, 2) Shimanuki Hiroshi
Affiliation(J)	1) 日本製鉄株式会社, 2) 日本製鉄株式会社
Abstract(J)	自動車衝突事故が発生すると、部材が大きく変形し、複雑な応力状態下で延性破壊する事がある。本稿では引張およびせん断応力状態下における材料内部からの延性き裂の発生・進展挙動を明確に区分する試験片を用いて、金属材料の延性き裂発生特性を評価する手法を紹介する。 Translation
Abstract(E)	During collisions, automobile parts may incur ductile fracture under complex stress conditions. Herein, we introduce a test method for evaluating the initiation behavior of internal ductile cracks in metals under tensile and shear stress conditions. The applicability of the developed specimen to the evaluation of ductile crack initiation condition was discussed based on the results of tensile fracture tests and finite element analyses.

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