Trace Alloy Composition Analysis in Sprayed-deposited Mg-Al-Ca Alloy and its Squeezing Casting

Zhang Guowei1; Qi Zhiwang2; Xin Haiying2; Qin Zhanming2; Chen Gang2; Chen Wei2

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Trace Alloy Composition Analysis in Sprayed-deposited Mg-Al-Ca Alloy and its Squeezing Casting
- role： First author 第一作者
- Affiliation：
  School of Materials Science and Engineering,Northwestern Polytechnic University,Xi’an,China
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Zhang Guowei1
1 2 ,
- Affiliation：
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Qi Zhiwang2
2 ,
- Affiliation：
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Xin Haiying2
2 ,
- Affiliation：
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Qin Zhanming2
2 ,
- Affiliation：
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Chen Gang2
2 ,
- Affiliation：
  Ningbo Branch of Chinese Ordnance Academy,Ningbo,China
Chen Wei2
2
Vol. 30, Issue 9, Pages: 859-860(2010)
Published： 2010 ，
DOI：

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[1]章国伟,齐志望,辛海鹰,秦占明,陈刚,陈伟.喷射沉积Mg-Al-Ca合金微合金化成分分析与挤压工艺[J].特种铸造及有色合金,2010,30(09):859-860+782.

Zhang Guowei1, Qi Zhiwang2, Xin Haiying2, et al. Trace Alloy Composition Analysis in Sprayed-deposited Mg-Al-Ca Alloy and its Squeezing Casting. [J]. Special Casting & Nonferrous Alloys 30(9):859-860(2010)
[1]章国伟,齐志望,辛海鹰,秦占明,陈刚,陈伟.喷射沉积Mg-Al-Ca合金微合金化成分分析与挤压工艺[J].特种铸造及有色合金,2010,30(09):859-860+782. DOI：

Zhang Guowei1, Qi Zhiwang2, Xin Haiying2, et al. Trace Alloy Composition Analysis in Sprayed-deposited Mg-Al-Ca Alloy and its Squeezing Casting. [J]. Special Casting & Nonferrous Alloys 30(9):859-860(2010) DOI：

Trace Alloy Composition Analysis in Sprayed-deposited Mg-Al-Ca Alloy and its Squeezing Casting

Zhang Guowei1 ; Qi Zhiwang2 ; Xin Haiying2 ; Qin Zhanming2 ; Chen Gang2 ; Chen Wei2 ;

Abstract

Microstructure and mechanical properties of the trace alloying Mg-Al-Ca alloy prepared by spraying-deposition method were investigated. The results show that the alloy with 1%Nd content exhibits desirable comprehensive mechanical properties,in which fine secondary phase with average size less than 1μm is homogeneously distributed,and tensile strength and elongation reach up to 480MPa and 8%,respectively. The SEM （scanning electron microscope） analysis shows that secondary phase is Al2Ca phase with HCP structure. With increasing in squeezing ratio when it is less than 20,mechanical properties of the alloy are greatly improved,while squeezing ratio is more than 20,with it increases,increase of tensile strength tends to slow.

transl

Keywords

Spraying Deposition; Mechanical Properties; Squeezing Ratio

transl

摘要

采用喷射沉积工艺制备了各种微合金化Mg-Al-Ca合金

分析组织和性能结果得知

微合金化元素Nd的含量为1%时

合金的综合力学性能最佳

该合金的组织中第二相分布均匀、细小

平均尺寸小于1μm

合金的抗拉强度达到480MPa

伸长率达到了8%;扫描电镜分析表明

合金中均匀分布的第二相是Al2Ca相

为密排六方结构。对该合金的挤压工艺研究表明

当挤压比小于20时

合金的强化效果非常明显

当挤压比高于20时

随着挤压比的提高

强度的提高不明显。

Abstract

in which fine secondary phase with average size less than 1μm is homogeneously distributed

and tensile strength and elongation reach up to 480MPa and 8%

respectively. The SEM （scanning electron microscope） analysis shows that secondary phase is Al2Ca phase with HCP structure. With increasing in squeezing ratio when it is less than 20

mechanical properties of the alloy are greatly improved

while squeezing ratio is more than 20

with it increases

increase of tensile strength tends to slow.

关键词

喷射沉积力学性能挤压比

Keywords

Spraying DepositionMechanical PropertiesSqueezing Ratio

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