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| TA12钛合金板材成形性能试验 |
| Research on the Formability of TA12 Titanium Alloy Sheet |
| Received:April 14, 2011 Revised:July 10, 2011 |
| DOI： |
| 中文关键词: 钛合金 成形性能 杯突试验 扩孔试验 |
| 英文关键词: titanium alloy formability cupping testing method hole expanding test |
| 基金项目: |
| Author Name | Affiliation | | FANG Bo | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | CHENG Ming | Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China | | CHEN Zhong-qiang | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | LIU Jun-he | Office of Chinese Peoples Liberation Army in Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | LIU Yan | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | FENG Zhen-wei | Office of Chinese Peoples Liberation Army in Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | SONG Xi-yu | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | WEI Ming-xia | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China | | HU Jing-xiang | AVIC Shenyang Liming Aero-engine (Group) Corporation, Ltd., Shenyang 110043, China |
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| 中文摘要: |
| 对航空用高温TA12钛合金板材在室温和高温条件下进行杯突和扩孔试验。结果表明：室温条件下，TA12钛合金板材的杯突值IE为3.0 mm左右，扩孔率仅为3%左右；在880 ℃条件下，杯突值IE增加到4.4 mm，扩孔率提高到13%左右。说明TA12钛合金板材的室温胀形能力和翻边成形性能较差，在高温条件下能够有一定的改善。 |
| 英文摘要: |
| TA12 titanium alloy is a high temperature alloy for aeronautical industry. The cupping testing method and hole expanding test were carried out for TA12 titanium alloy sheet at room temperature and elevated temperature. The results reveal that the cupping testing IE value is about 3.0 mm and the hole expansion rate is about 3% at room temperature. At the elevated temperature, the cupping testing IE value increases to 4.4 mm and the hole expansion rate increases to 13%. It shows that TA12 titanium alloy sheet exhibits poor cold expanding and flanging formability. The increase of temperature will partly improve the formability of TA12 sheet. |
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