Yasuaki Tsukada

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This paper describes the creep-fatigue life of Sn-8Zn-3Bi solder under multiaxial loading. Push-pull and reversed torsion loading tests were carried out using 5 types of strain waveforms, i.e., fast-fast, fast-slow, slow-fast, slow-slow and hold-time waveforms. The effects of strain waveform and strain multiaxiality on the creep-fatigue life were discussed.(More)
The submersible surface ship (SSS) is a ship that can avoid rough seas by going underwater. In order to submerge the SSS uses wings producing downward lift. The SSS, in submerged condition, keeps residual buoyancy for its safety. A prototype of SSS of which configuration is a hull, a pair of main wings and a pair of horizontal tail wings is designed and its(More)
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