US5344507A
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Wear-resistant aluminum alloy and method for working thereof
Assignee: YKK Corp
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Filing: 1992-03-16
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Granted: 1994-09-06
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Expires: 2012-03-16
Abstract
Abstract An aluminum-alloy, which is wear-resistant and does not wear greatly the opposed cast iron or steel, and which can be warm worked. The alloyings the following composition and structure. Composition: AlaSibMcXdTe (where M is at least one element selected from the group consisting of Fe, Co and. Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); Y is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %, and a+b+c+d+e=100 atomic %. Structure: super-saturated face-centered cubic crystals and fine Si precipitates.
Inventors
- 👤 Tsuyoshi Masumoto
- 👤 Akihisa Inoue
- 👤 Kazuhiko Kita
- 👤 Hitoshi Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/34; B; B22; B22F; B22F3/00; B22F3/12; B22F3/1208; B22F3/1216; C; C22; C22C; C22C1/00; C22C1/04; C22C1/0408; C22C1/0416; C22C21/00; C22C21/02; C22C45/00; C22C45/08; C22C9/00; F02F; F02F1/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
130 words
A wear-resistant aluminum-alloy, which has a hardness of 340-400 Hv and has a composition expressed by Al a Si b M c X d T e (M is at least one element selected from the group consisting of Fe, Co and Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); T is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %, and a+b+c+d+e=100 atomic %), and which has a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and is free from intermetallic compounds.
Claim 2
Dependent Claim
130 words
A wear-resistant aluminum-alloy, which has a hardness of 340-400 Hv and has a composition expressed by Al a Si b M c X d T e (M is at least one element selected from the group consisting of Fe, Co and Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); T is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %, and a+b+c+d+e=100 atomic %), and which has a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and is free from intermetallic compounds.
Claim 3
Dependent Claim
14 words
A wear-resistant aluminum-alloy according to claim 1, wherein said alloy is a melt-quenched ribbon.
Claim 4
Dependent Claim
12 words
A wear-resistant aluminum-alloy according to claim 1, wherein said alloy is warm-worked.
Claim 5
Dependent Claim
15 words
A wear resistant aluminum-alloy according to claim 2 or 3, wherein said alloy is warm-worked.
Claim 6
Dependent Claim
27 words
Sliding members consisting of a wear-resistant aluminum-alloy according to claim 4, which is in slidable contact with an opposed member which consists of steel or cast iron.
Claim 7
Independent Claim
174 words
A method for working a wear-resistant aluminum-alloy which has a composition expressed by Al a Si b M c X d T e (M is at least one element selected from the group consisting of Fe, Co and Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); T is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %,and a+b+c+d+e=100 atomic %), and which has a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and is free from intermetallic compounds, the method comprising subjecting the aluminum alloy to warm working at a temperature of from 300° to 400° C. to yield an alloy having a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and free from intermetallic compounds.
Claim 8
Independent Claim
174 words
A method for working a wear-resistant aluminum-alloy which has a composition expressed by Al a Si b M c X d T e (M is at least one element selected from the group consisting of Fe, Co and Ni; X is at least one element selected from the group consisting of Y, Ce, La and Mm (misch metal); T is at least one element selected from the group consisting of Mn, Cr, V, Ti, Mo, Zr, W, Ta and Hf; a=50-85 atomic %, b=10-49 atomic %, c=0.5-10 atomic %, d=0.5-10 atomic %, e=0-10 atomic %,and a+b+c+d+e=100 atomic %), and which has a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and is free from intermetallic compounds, the method comprising subjecting the aluminum alloy to warm working at a temperature of from 300° to 400° C. to yield an alloy having a structure of super-saturated face centered cubic crystals and fine Si precipitates from 0.1 to 10 μm in size and free from intermetallic compounds.
Claim 9
Dependent Claim
24 words
A method according to claim 6, wherein atomized powder is subjected to extrusion of pressing at a temperature of from 300° to 400° C.
Claim 10
Dependent Claim
35 words
A method according to claim 7, wherein said atomized powder is enclosed and sealed in a can under vacuum and is then pressed into a billet, which is then subjected to said extrusion or pressing.
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