Material for forming metal matrix composite and metal matrix composite bulk

Patent metadata

Field	Value
Publication number	US-11035029-B2
Application number	US-201916551755-A
Country	US
Kind code	B2
Filing date	Aug 27, 2019
Priority date	Dec 21, 2018
Publication date	Jun 15, 2021
Grant date	Jun 15, 2021

Abstract

A metal matrix composite material includes 60-90 wt. % of aluminum alloy powders and 10-40 wt. % Fe-based amorphous alloy powders. The aluminum alloy powders are used as the matrix of the metal matrix composite material, and the Fe-based amorphous alloy powders include FeaCrbMocSidBeYf, wherein 48 at. %≤a≤50 at. %, 21 at. %≤b≤23 at. %, 18 at. %≤c≤20 at. %, 3 at. %≤D≤5 at. %, 2 at. %≤c≤4 at. %, and 2 at. %≤f≤4 at. %.

First claim

What is claimed is:

1. A material for forming metal matrix composite, comprising:
60-90 wt. % of aluminum alloy powders;
10-40 wt. % of Fe-based amorphous alloy powders, wherein the Fe-based amorphous alloy powders comprise Fe a Cr b Mo c Si d B e Y f , and wherein 48 at. %≤a≤50 at. %, 21 at. %≤b≤23 at. %, 18 at. %≤c≤20 at. %, 3 at. %≤d≤5 at. %, 2 at. %≤e≤4 at. % and 2 at. %≤f≤4 at. %.

2. The material for forming metal matrix composite of claim 1 , wherein the aluminum alloy powders have a particle size of 25 μm to 60 μm, and the Fe-based amorphous alloy powders have a particle size of 10 μm to 40 μm.

3. The material for forming metal matrix composite of claim 1 , wherein the Fe-based amorphous alloy powders comprise Fe 48 Cr 21 Mo 18 Si 3 B 2 Y 2 , Fe 49 Cr 22 Mo 19 Si 4 B 3 Y 3 Or Fe 50 Cr 23 Mo 20 Si 4 B 4 Y 4 .

4. A metal matrix composite bulk, fabricated by using the material for forming metal matrix composite of claim 1 , wherein the metal matrix composite bulk has a yield strength of 70-125 MPa.

5. The metal matrix composite bulk of claim 4 , wherein the metal matrix composite bulk has a compressive strength of 160-250 MPa.

6. The metal matrix composite bulk of claim 4 , wherein the metal matrix composite bulk is fabricated by a laser additive manufacturing method.

Assignees

• Ind Tech Res Inst

Inventors

• Chou Li-Shing
• Yang Chih-Chao
• Chen Chi-San
• Weng Chih-Jung
• Tsai Heng-Yi

Classifications

• C22C45/008 Primary

  with Fe, Co or Ni as the major constituent (C22C45/02, C22C45/04 take precedence) · CPC title

• C22C38/22 Primary

  with molybdenum or tungsten · CPC title

• B22F10/28

  Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM] · CPC title

• B22F10/34

  of powder characteristics, e.g. density, oxidation or flowability · CPC title

• B33Y70/10

  Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials · CPC title