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冷軋及退火工藝對TA18管材組織和性能影響
發布人：上海艾荔艾金屬材料有限公司www.jshcn.cn
更新時間：2015-09-07
加工變形量ε和Q是管材冷軋變形的重要參數。通過三輥冷軋方式制備小規格TA18管材，并在不同溫度下進行退火處理。研究不同加工變形量ε和Q對管材性能和表面質量的影響，分析不同退火溫度下各管材的室溫拉伸性能和顯微組織，探索退火溫度對TA18管材性能和組織的影響。
冷軋及退火工藝對TA18管材組織和性能影響Effects of cold rolling and annealing process on microstructure and properties of TA18 tubes
加工變形量ε和Q是管材冷軋變形的重要參數。通過三輥冷軋方式制備小規格TA18管材，并在不同溫度下進行退火處理。研究不同加工變形量ε和Q對管材性能和表面質量的影響，分析不同退火溫度下各管材的室溫拉伸性能和顯微組織，探索退火溫度對TA18管材性能和組織的影響。結果表明：TA18管材具有較好的冷加工性能，變形量在12%~48%，且Q≤1.30時，管材表面質量較好，通過不同的退火溫度(350~380℃，600~750℃)，可獲得滿足不同強度級別要求的TA18管材。
Machining deformations ε and Q are important parameters for cold rolling of tubes. The small size tubes of TA18 were prepared by cold rolling through three-roll tube reducers. The effects of different machining deformations ε and Q values on the properties and surface quality of tubes were investigated, the tensile properties at room temperature and microstructures of tubes under different annealing temperatures were analyzed, and the effect of annealing temperature on the microstructure and properties of TA18 tubes was studied. The results show that TA18 tubes have good cold working properties, the surface quality of tubes is good when the deformation rates range from 12% to 48% and the Q value is not more than 1.30. The TA18 tubes have excellent properties to meet the requirements of different intensity levels after different annealing treatments (350-380 ℃, 600-750 ℃).
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