Abstract: The development of fatigue in a machine element can be divided into the fatigue crack initiation stage and the crack growth stage. The effects of the surface conditions, such as roughness and ...

Abstract: In recent years, power transmission gears for vehicles run at higher speeds and loads and are accompanied by very high surface temperatures. Under such a high surface temperature condition, the ...

Abstract: To estimate the direction of sand movement and find the sedimentary sources near and in the fishery port of Hashidate, where the breakwater arrangement is very complex, the ratios of geochemical elements to construct sand ...