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The use of high strength steels has gained importance due to the interest in effective light steel constructions. Besides the well-designed weld seams, free cutting edges gain technical and economic relevance as locations for potential fatigue cracks. In this investigation, fatigue tests were carried out on 8-mm- and 20-mm-thick samples with a minimum yield strength ranging from 355 to 960 MPa at...
In this paper, the influence of surface roughness on microstructure and mechanical properties of AISI 4145 steel/WC-Co joint was investigated. Sessile drop test was conducted to evaluate the spreading behavior of Cu-Zn-Ni filler metal on the substrate with different surface roughness values. SEM micrographs were used to study the microstructure of interface and fracture surface while the mechanical...
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