Compressor component for transport and method for manufacturing same

Abstract

A compressor component for a transport is provided, which is excellent in mechanical characteristics at a high temperature. The compressor component is made of an aluminum-alloy that includes Fe: 5.0-9.0 mass %, V: 0.1-3.0 mass %, Mo: 0.1-3.0 mass %, Zr: 0.1-2.0 mass %, and Ti: 0.02-2.0 mass %, the remainder being Al and unavoidable impurities The compressor component is configured to include therein an Al—Fe-based intermetallic compound, and in the cross-sectional surface structure of the compressor component, an average circle-equivalent diameter of the Al—Fe-based intermetallic compound falls within a range of 0.1-3.0 μm.

1 . A compressor component for a transport, which is made of an aluminum-alloy that comprises Fe: 5.0-9.0 mass %, V: 0.1-3.0 mass %, Mo: 0.1-3.0 mass %, Zr: 0.1-2.0 mass %, and Ti: 0.02-2.0 mass %, the remainder being Al and unavoidable impurities, wherein
 the compressor component for a transport includes an Al—Fe-based intermetallic compound, and   in the cross-sectional surface structure of the compressor component for a transport, an average circle-equivalent diameter of the Al—Fe-based intermetallic compound falls within a range of 0.1-3.0 μm.   
     
     
         2 . The compressor component for a transport according to  claim 1 , wherein the aluminum-alloy further comprises 0.0001-0.03 mass % of B. 
     
     
         3 . The compressor component for a transport according to  claim 1 , wherein
 the intermetallic compound is an Al—Fe—V—Mo-based intermetallic compound including at least Al, Fe, V, and Mo, and   in the intermetallic compound, the Al content is 81.60-92.37 mass %, the Fe content is 2.58-10.05 mass %, the V content is 1.44-4.39 mass %, and the Mo content is 2.45-3.62 mass %.   
     
     
         4 . A method for manufacturing a compressor component for a transport, comprising:
 compression-molding an aluminum-alloy powder comprising Fe: 5.0-9.0 mass %, V: 0.1-3.0 mass %, Mo: 0.1-3.0 mass %, Zr: 0.1-2.0 mass %, and Ti: 0.02-2.0 mass %, the remainder being Al and unavoidable impurities, to thereby obtain a green compact;   hot-extruding the green compact to thereby obtain an extruded material; and   cutting the extruded material to thereby obtain a compressor component for a transport, wherein   the compressor component for a transport includes therein an Al—Fe-based intermetallic compound, and   in the cross-sectional surface structure of the compressor component for a transport, an average circle-equivalent diameter of the Al—Fe-based intermetallic compound falls within a range of 0.1-3.0 μm.   
     
     
         5 . A method for manufacturing a compressor component for a transport, comprising:
 powdering a molten aluminum-alloy comprising Fe: 5.0-9.0 mass %, V: 0.1-3.0 mass %, Mo: 0.1-3.0 mass %, Zr: 0.1-2.0 mass %, and Ti: 0.02-2.0 mass %, the remainder being Al and unavoidable impurities, by rapid-solidification using an atomizing method, to thereby obtain an aluminum-alloy powder;   compression-molding the aluminum-alloy powder to thereby obtain a green compact;   hot-extruding the green compact to thereby obtain an extruded material; and   cutting the extruded material to thereby obtain a compressor component for a transport, wherein   the compressor component for a transport includes therein an Al—Fe-based intermetallic compound, and   in the cross-sectional surface structure of the compressor component for a transport, an average circle-equivalent diameter of the Al—Fe-based intermetallic compound falls within a range of 0.1-3.0 μm.