BTi62鈦合金退火溫度與組織和性能的關(guān)系
發(fā)布人：上海艾荔艾合金股份有限公司www.shailiai.cn
更新時(shí)間：2016-01-19
研究了退火溫度對(duì)BTi62鈦合金棒材顯微組織及室溫、高溫力學(xué)性能的影響。研究表明：BTi62鈦合金棒材在700~870 ℃退火，顯微組織均由βT+等軸α組成，隨著退火溫度的升高，室溫強(qiáng)度降低，室溫塑性略有提高，高溫抗拉強(qiáng)度、斷面收縮率略有升高，屈服強(qiáng)度、伸長(zhǎng)率無(wú)明顯變化。與目前國(guó)內(nèi)使用的同規(guī)格TC4鈦合金棒材相比，BTi62合金具有略?xún)?yōu)于TC4鈦合金的室溫、高溫拉伸性能。
BTi62鈦合金退火溫度與組織和性能的關(guān)系Relationship between annealing temperature and?microstructure and properties of BTi62 titanium alloy研究了退火溫度對(duì)BTi62鈦合金棒材顯微組織及室溫、高溫力學(xué)性能的影響。研究表明：BTi62鈦合金棒材在700~870 ℃退火，顯微組織均由βT+等軸α組成，隨著退火溫度的升高，室溫強(qiáng)度降低，室溫塑性略有提高，高溫抗拉強(qiáng)度、斷面收縮率略有升高，屈服強(qiáng)度、伸長(zhǎng)率無(wú)明顯變化。與目前國(guó)內(nèi)使用的同規(guī)格TC4鈦合金棒材相比，BTi62合金具有略?xún)?yōu)于TC4鈦合金的室溫、高溫拉伸性能。
The effects of annealing temperature on the microstructure, room temperature and high temperature mechanical properties of BTi62 titanium alloy bars were studied. The results show that the microstructure of the alloy is composed of transformed β-phase and equiaxed α phase when BTi62 titanium alloy rods are annealed in the temperature range of 700?870 ℃. With the increase of annealing temperature, its room temperature strength decreases, room temperature ductility increases little, high-temperature tensile strength and area shrinkage slightly increase, while yield strength and elongation have no clear change when it is annealed in the range of 780?870 ℃. Compared with TC4 titanium alloy bars of the same specifications in domestic at present, BTi62 alloy has slightly better tensile properties at room and high temperatures.
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AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.
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For more information on the alloys and services that we supply,?call us?at 086-021-67660801 or email us at kefu@ailiaigroup.com. You can also get in touch on social media, we are constantly active on?Weibo,?Weixin,?LinkedIn?and?Twitter.