Fatigue crack growth behaviour of wire arc additively manufactured steels
International Journal of Fatigue（2023）
摘要
•Fatigue crack growth tests on 13 WAAM steel compact tension specimens presented.•Hardness and tensile strength of examined WAAM steels are approximately proportional.•Influence of deposition strategy on the fatigue crack growth (FCG) behaviour studied.•Test results compared against conventional steels and BS 7910 recommended FCG laws.•Fractography performed to analyse the mechanisms of crack growth.
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关键词
Additive manufacturing,Compact tension specimen,Fatigue crack propagation,Metal 3D printing,Wire arc additive manufacturing
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