Ti-6554鈦合金的TTT曲線測定
發(fā)布人：上海艾荔艾合金股份有限公司www.shailiai.cn
更新時間：2016-01-18
采用金相法測定了Ti-6554鈦合金的TTT曲線。結(jié)果表明：測得等溫轉(zhuǎn)變的“鼻溫”在540 ℃左右，在此溫度時效時，α相析出速度最快，僅需5 min。另外，該合金的時效響應(yīng)快，在480~600 ℃時效時，α相從亞穩(wěn)β相中析出的開始時間均少于30 min。
Ti-6554鈦合金的TTT曲線測定Determination of TTT curve of Ti-6554 titanium alloy采用金相法測定了Ti-6554鈦合金的TTT曲線。結(jié)果表明：測得等溫轉(zhuǎn)變的“鼻溫”在540 ℃左右，在此溫度時效時，α相析出速度最快，僅需5 min。另外，該合金的時效響應(yīng)快，在480~600 ℃時效時，α相從亞穩(wěn)β相中析出的開始時間均少于30 min。
Metallographic method was used for the determination of TTT curve of Ti-6554 titanium alloy. The results show that the ‘nose’ temperature of isothermal transformation is about 540 ℃. When the alloy is aged at 540 ℃, α phase precipitates fastest, and only 5 min is needed. Moreover, this alloy has fast aging response. When the alloy is aged at 480?600 ℃, the beginning time of α phase precipitated from metastable β phase is less than 30 min.
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