Ti-6554钛合金的TTT曲线测定
发布人：上海艾荔艾合金股份有限公司www.shailiai.cn
更新时间：2016-01-18
采用金相法测定了Ti-6554钛合金的TTT曲线。结果表明：测得等温转变的“鼻温”在540 ℃左右，在此温度时效时，α相析出速度最快，仅需5 min。另外，该合金的时效响应快，在480~600 ℃时效时，α相从亚稳β相中析出的开始时间均少于30 min。
Ti-6554钛合金的TTT曲线测定Determination of TTT curve of Ti-6554 titanium alloy采用金相法测定了Ti-6554钛合金的TTT曲线。结果表明：测得等温转变的“鼻温”在540 ℃左右，在此温度时效时，α相析出速度最快，仅需5 min。另外，该合金的时效响应快，在480~600 ℃时效时，α相从亚稳β相中析出的开始时间均少于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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