焊接熱循環(huán)對(duì)Ti35鈦合金組織性能的影響
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：2016-01-20
采用焊接熱模擬技術(shù)，通過(guò)Gleeble?1500D型熱模擬試驗(yàn)機(jī)，模擬Ti35鈦合金自高溫以不同冷卻速度冷卻的過(guò)程，研究焊后冷卻速度對(duì)Ti35鈦合金焊接熱影響區(qū)組織和性能的影響。
焊接熱循環(huán)對(duì)Ti35鈦合金組織性能的影響Effect of simulated welding thermal cycle on microstructure and?properties of Ti35 alloy采用焊接熱模擬技術(shù)，通過(guò)Gleeble?1500D型熱模擬試驗(yàn)機(jī)，模擬Ti35鈦合金自高溫以不同冷卻速度冷卻的過(guò)程，研究焊后冷卻速度對(duì)Ti35鈦合金焊接熱影響區(qū)組織和性能的影響。研究結(jié)果表明：在相同的熱輸入量條件下，隨冷卻速度的提高，材料的強(qiáng)度增大，塑性增強(qiáng)；在較低的冷卻速度下，熱循環(huán)試樣的沖擊韌性值較低，晶粒組織較粗大；不同冷卻速度的均溫區(qū)試樣在模擬料液下均具有較好的耐蝕性能。
Effects of cooling velocity on the microstructure and properties of Ti35 alloy were studied by welding thermal simulation technique which simulated the cooling process of welding heat-affected zone (HAZ) from high temperature using Gleeble?1500D machine. The results show that increments in cooling velocity improve the strength and plasticity with the same heat input. Upon the lower cooling velocity, the impact ductility of samples is lower, and the grain is coarse. All samples from different cooling velocities possess high corrosion resistant performance under simulated solution.
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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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