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To improve wear resistance of wheel steels under rolling–sliding wear conditions, a novel technique named laser dispersed treatment (LDT) was used by forming a regular scattered hardening pattern distributed on the surface of wheel disc, which can avoid soft zones induced by tempering effect or cracks in the overlapped region. The wear rate of LDT wheel disc was evaluated by twin-disc wear testing...
The conventional method of producing of Si 3 N 4 balls for bearing applications by grinding and lapping using diamond abrasive at low speeds ( < a few hundred rpm) and higher loads (several tens of N/ball) is generally an expensive and time-consuming operation (several weeks). It also leads to the formation of scratches, microcracks, and pits on the finished balls resulting from...
Magnetic float polishing (MFP) technique is used in the finishing of advanced ceramics, namely, silicon nitride (S 3 N 4 ) balls for hybrid bearing applications. In this paper, Taguchi method [Genichi Taguchi, Taguchi Methods—Research and Development, ASI Press, Dearborn, MI (1992); K.E. Dehnad, Quality Control, Robust Design, and the Taguchi Method, Brooks/Cole, CA (1989)] is applied...
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