Engineering, 22.04.2020 04:58 lilsnsbsbs
Two steels are being considered for manufacture of as-forged connecting rods subjected tobending loads. One is AISI 4340 Cr-Mo-Ni steel capable of being heat-treated to a tensilestrength of 260 kpsi. The other is a plain carbon steel AISI 1040 with an attainable Sut of113 kpsi. Each rod is to have a size giving an equivalent diameter de of 0.75 in. Determinethe endurance limit for each material. Is there any advantage to using the alloy steel for thisfatigue application?
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