Microstructure and Properties of Squeeze Casting Commercial Aluminum Alloys

Hou Liqun; Xing Zhiyuan; Li Sumei; Fan Yunbo; Wang Jinhua; Nie Sha

doi:10.15980/j.tzzz.2013.11.025

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Microstructure and Properties of Squeeze Casting Commercial Aluminum Alloys
Vol. 33, Issue 11, Pages: 1021-1023(2013)
Published： 2013 ，
DOI： 10.15980/j.tzzz.2013.11.025

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[1]侯立群,邢志媛,李素梅,范云波,王进华,聂砂.常用铝合金挤压铸造状态下的组织和性能[J].特种铸造及有色合金,2013,33(11):1021-1023.

Hou Liqun, Xing Zhiyuan, Li Sumei, et al. Microstructure and Properties of Squeeze Casting Commercial Aluminum Alloys. [J]. Special Casting & Nonferrous Alloys 33(11):1021-1023(2013)
[1]侯立群,邢志媛,李素梅,范云波,王进华,聂砂.常用铝合金挤压铸造状态下的组织和性能[J].特种铸造及有色合金,2013,33(11):1021-1023. DOI： 10.15980/j.tzzz.2013.11.025.

Hou Liqun, Xing Zhiyuan, Li Sumei, et al. Microstructure and Properties of Squeeze Casting Commercial Aluminum Alloys. [J]. Special Casting & Nonferrous Alloys 33(11):1021-1023(2013) DOI： 10.15980/j.tzzz.2013.11.025.

摘要

选择常用的ZL101A、ZL201A铸造铝合金和2A50、2A14、2A12、7A04变形铝合金

采用挤压铸造工艺制备了100mm×150mm的试样

进行了微观组织观察和力学性能测试。结果表明

试验合金在挤压铸造状态下为晶粒细小的铸态组织

拉伸试样断口形貌呈韧性断裂特征

ZL101A、ZL201A、2A50、2A14、2A12、7A04合金在此压为200 MPa下的抗拉强度分别为295、385、340、425、425、475 MPa

屈服强度分别为220、225、310、390、320、410 MPa

伸长率分别为8.0%、15.5%、4.5%、3.5%、9.5%、7.5%

冲击韧度分别为4.0、12.0、4.0、3.0、3.0、3.5J·cm-2

硬度（HB）分别为95、106、117、142、126、145。

Abstract

The samples with 100 mm×150 mm of commercial aluminum alloys including ZL101A

ZL201A

2A50

2A14

2A12and 7A04were prepared by squeezing casting to analyze microstructures and mechanical properties.The results show that all these alloys prepared by squeeze castings exhibit fine grain structure

and the tensile-ruptured samples are characterized by the plastic fracture mode.The mechanical properties of ZL101A

ZL201A

2A50

2A14

2A12and 7A04aluminum alloys are presented as follows at 200MPa:the tensile strength of 295

385

340

425

475MPa

respectively;the yield strength of 220

225

310

390

320

410 MPa

respectively;the elongation of 8.0%

15.5%

4.5%

3.5%

9.5%

7.5%

respectively;the impact toughness of 4.0

12.0

4.0

3.0

3.5J·cm-2

respectively;and the hardness（HB）of 95

106

117

142

126

145

respectively.

关键词

铸造铝合金变形铝合金挤压铸造微观组织力学性能

Keywords

Casting Al AlloyWrought AlloysSqueeze CastingMicrostructureMechanical Properties

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