Method for directly molding high-entropy alloy turbine engine hot end component through laser metal
A technology for turbine engine and hot-end components, which is applied in the field of laser metal direct forming of high-entropy alloy turbine engine hot-end components, can solve the problems of difficulty in obtaining high-entropy alloys, difficult processing and manufacturing, and achieves reducing manufacturing costs and meeting application requirements. , the effect of improving efficiency
Active Publication Date: 2015-02-25
XI AN JIAOTONG UNIV
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The invention discloses a manufacturing method for directly molding a high-entropy alloy turbine engine hot end component through laser metal, and belongs to the technical field of manufacturing of turbine engine hot end components. The method includes the steps that any five or more kinds of high-melting metal powder is selected from eight kinds of high-melting metal powder, and the high-melting metal powder is evenly mixed to prepare high-entropy alloy powder; a three-dimensional solid model of the turbine engine hot end component is built, necessary auxiliary supporting structures are additionally arranged, and data files in the stl format are obtained and led into a rapid molding device; a blank of the turbine engine hot end component is rapidly molded through the LMDF technology, heat processing is carried out, then the auxiliary supporting structures are removed, abrasive particle stream finish machining and surface processing are carried out, and the high-entropy alloy turbine engine hot end component with the good high-temperature behavior is obtained. The turbine engine hot end component molded with the method has the high density and the excellent high-temperature behavior; meanwhile, the high molding precision and the high surface precision are achieved, and rapid and accurate manufacturing of the high-performance turbine engine hot end component can be achieved.
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Property | Measurement | Unit |
Particle size | 200.0 ~ 400.0 | mesh |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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