Method of prestressing parts subject to thermal shock专利检索- 砂浆混凝土人造石或陶瓷的后处理;天然石的处理专利检索查询-专利查询网

Method of prestressing parts subject to thermal shock
申请号	US3552178D	申请日	1968-01-26	公开(公告)号	US3552178A	公开(公告)日	1971-01-05
申请人	TRW INC;			发明人	FELGAR ROBERT P JR;
摘要	A METHOD OF PRESTRESSING REFRACTORY METALS, CERAMICS AND GRAPHITE INCLUDING HEATING A SURFACE OF AN ARTICLE MADE FROM ONE OF THE REFRACTORY MATERIALS UNTIL IT IS HOT ENOUGH TO FLOW PLASTICALLY, THE HEATING BEING SLOW ENOUGH TO AVOID THERMAL SHOCK, THEN APPLYING A PRESSURE TO THE ARTICLE TO CAUSE THE HEATED SURFACE TO FLOW PLASTICALLY AND BE DEFORMED, AND COOLING THE SURFACE, THEREBY PROVIDING RESIDUAL STRESSES IN THE SURFACE AND RESIDUAL STRESS OF OPPOSITE SIGN IN THE SURFACE AND RESIDUAL STRESSES OF A PRESTRESSED ARTICLE OF MANUFACTURE MADE OF A REACCORDANCE WITH THE ABOVE METHOD.
权利要求
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