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PRODUCTION METHOD OF POROUS LAYER, JOINING METHOD OF METAL AND RESIN, POROUS LAYER, JOINED STRUCTURE OF METAL AND RESIN
PRODUCTION METHOD OF POROUS LAYER, JOINING METHOD OF METAL AND RESIN, POROUS LAYER, JOINED STRUCTURE OF METAL AND RESIN
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机译:多孔层的制造方法,金属和树脂的接合方法,多孔层,金属和树脂的接合结构
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摘要
PROBLEM TO BE SOLVED: To provide a production method of a porous layer, with which both improved porosity and sufficient sinterability are achieved even if a temperature set for sintering metal powder is not raised.SOLUTION: In a production method of a porous layer: Ti powder, Al powder, and NaCl powder are mixed together (procedures 1, 2); the mixture is pressurized and heated in a pressure and temperature condition in which the Al powder is diffused and the NaCl powder is not decomposed (procedure 3) so as to sinter the Ti powder; and subsequently the NaCl powder is removed with water (procedures 4, 5). In the production method of the porous layer: because cavities caused by sintering of the Ti powder and those caused by removal of the NaCl powder are formed in the Ti-Al alloy, high porosity is materialized; and TiAl, generated by a reaction of the diffused Al powder, having been diffused only by raising a set temperature to a temperature near to the melting point of Al, and the Ti powder, functions as a binder to bond pieces of the Ti powder with one another, and sufficient sinterability is obtained.SELECTED DRAWING: Figure 3
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