Production of Magnesium Alloy Complex Thin-walled parts by Investment Casting

Lin Zhixun1; Jiang Haiyan1; Fu Penghuai1; Hua Chuanping1; Yao Zhenyi1; Zhai Chunquan1

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Production of Magnesium Alloy Complex Thin-walled parts by Investment Casting
- role： First author 第一作者
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Lin Zhixun1
1 ,
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Jiang Haiyan1
1 ,
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Fu Penghuai1
1 ,
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Hua Chuanping1
1 ,
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Yao Zhenyi1
1 ,
- Affiliation：
  National Engineering Research Center of Light Alloy Precision Formation,Shanghai Jiaotong University,Shanghai,China
Zhai Chunquan1
1
Issue 6, Pages: 457-459(2008)
Published： 2008 ，
DOI：

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[1]林志埙,蒋海燕,付彭怀,花传平,姚真裔,翟春泉.镁合金薄壁复杂零件熔模铸造成形工艺研究[J].特种铸造及有色合金,2008(06):457-459+408.

Lin Zhixun1, Jiang Haiyan1, Fu Penghuai1, et al. Production of Magnesium Alloy Complex Thin-walled parts by Investment Casting. [J]. Special Casting & Nonferrous Alloys (6):457-459(2008)
[1]林志埙,蒋海燕,付彭怀,花传平,姚真裔,翟春泉.镁合金薄壁复杂零件熔模铸造成形工艺研究[J].特种铸造及有色合金,2008(06):457-459+408. DOI：

Lin Zhixun1, Jiang Haiyan1, Fu Penghuai1, et al. Production of Magnesium Alloy Complex Thin-walled parts by Investment Casting. [J]. Special Casting & Nonferrous Alloys (6):457-459(2008) DOI：

Production of Magnesium Alloy Complex Thin-walled parts by Investment Casting

Lin Zhixun1 ; Jiang Haiyan1 ; Fu Penghuai1 ; Hua Chuanping1 ; Yao Zhenyi1 ; Zhai Chunquan1 ;

Abstract

The production of thin-walled complex WE54 magnesium alloy parts was carried out with ceramic mold shell by different casting methods.The results show that there exists cold shut,flow line,shrinkage porosity（hole）in the gravity casting thin-walled complex magnesium components due to its low filling ability,while the components with smooth surface and distinct profile as well as high dimensional precision and defect-free can be produced by low pressure casting.The mechanical properties of the low pressure casting magnesium alloy components treated by solid solution are significantly improved,in which the tensile strength and yield strength as well as elongation of the heat treated components are 272.6 MPa,205.29 MPa and 0.99%,respectively,which is attributed to the precipitation of dispersive fine MgY phase from the supersaturated solution phase.

transl

Keywords

WE54 Magnesium Alloy; Investment Casting; Gravity Pouring; Low-pressure Casting

transl

摘要

采用熔模型壳浇注WE54镁合金

研究薄壁复杂接头零件的成形工艺。通过重力浇注成形发现

镁合金熔体充型流动性较差

铸件存在严重的冷隔、流纹、缩陷缺陷;采用低压浇注后

铸造缺陷得到消除

铸件表面光洁

轮廓清晰

尺寸精度提高。固溶时效处理后

铸件的力学性能显著提高

抗拉强度和屈服强度分别可达272.6MPa、205.29MPa

伸长率为0.99%。这是由于饱和固溶体内析出弥散细小的MgY沉淀相

起到了强化的作用。

Abstract

The production of thin-walled complex WE54 magnesium alloy parts was carried out with ceramic mold shell by different casting methods.The results show that there exists cold shut

flow line

shrinkage porosity（hole）in the gravity casting thin-walled complex magnesium components due to its low filling ability

while the components with smooth surface and distinct profile as well as high dimensional precision and defect-free can be produced by low pressure casting.The mechanical properties of the low pressure casting magnesium alloy components treated by solid solution are significantly improved

in which the tensile strength and yield strength as well as elongation of the heat treated components are 272.6 MPa

205.29 MPa and 0.99%

respectively

which is attributed to the precipitation of dispersive fine MgY phase from the supersaturated solution phase.

关键词

WE54镁合金熔模铸造重力浇注低压浇注

Keywords

WE54 Magnesium AlloyInvestment CastingGravity PouringLow-pressure Casting

references

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Numerical Simulation of Sintering Temperature Field in Titanium Alloy Investment Casting Shell

Data Acquisition and Production Intelligent Prediction in Casting Workshop

Discussion on Investment Casting Process of Valve Body With Concentrated Hot Spot

Investigation on Foaming Slurry and Porous Ceramic Shell Mould in investment Casting

Application of Colloidal Silica-Waterglass Complex Shell

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