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Trans. Nonferrous Met. Soc. China 25(2015) 1881-1888 Effect of vacuum annealing on microstructure and mechanical properties of TA15 titanium alloy sheets Hui-jun ZHAO1, Bao-yu WANG1, Gang LIU2, Lei... Introduction TA15 (Ti-6Al-2Zr-1Mo-1V) titanium alloy, which possesses high specific strength and good thermal stability, is extensively used to manufacture structural components in the field......
结果表明:采用合适的热连轧工艺,TA15钛合金小规格棒材的组织和性能与传统的横列式轧制棒材的相当,均满足相应的技术要求. 关键词:钛合金; 热连轧; 组织; 力学性能 中图分类号:TF 804.3 文献标志码:A Hot continuous rolling process of TA15 titanium alloy MIN Xin-hua, JI Ren-feng, ZHANG Wan-liang, MA Wei-dong, LU Han-gang (Baoshan Iron & Steel Co., Ltd., Shanghai 200940, China) Abstract: The flow stress behavior of TA15 titanium alloy during hot......
TA15合金低周疲劳性能研究 苏彬1,金磊1 (1.北京航空材料研究院,北京,100095) 摘要:以 TA15合金为例,介绍了在给定置信度和存活率的情况下,确定其对称循环疲劳极限的方法,并给出了计算该材料疲劳极限实际存活率的一般性方法.通过对飞机结构材料 TA15合金在25 ℃,250 ℃条件下的低周疲劳性能的研究,获得了中值和置信度γ=95%,存活率P=99.9%的低周疲劳数据,以及表征该材料特性的应变-寿命曲线,循环应力-应变曲线和各应变疲劳参数. 关键词:TA15合金; 低周疲劳; 可靠性; [全文内容正在添加中] ......
; 试验材料 试验用TA15钛合金为公称厚度1.4 mm的冷轧板材,由航天特种材料及工艺技术研究所提供,β相变温度为990 ℃,化学成分如表1所列. 表1 TA15钛合金化学成分 Table 1 Chemical composition of TA15 titanium alloy 1.2 试验方法 沿原始板材轧制方向割取矩形热处理试样,用酒精对样品进行清洗,随...(HNO3):V(H2O)=1:3:7,采用扫描电子显微镜(SEM)观察组织.采用图像处理软件Image-Pro完成统计β相含量定量统计,每一试样上取3个视场进行统计,最后计算其平均值. 表2 TA15钛合金退火热处理试验方案 Table 2 Annealing heat treatment experiment of TA15 titanium alloy 热处理之后的试样经......
properties of TA15 titanium alloy weld-joints by embedded electron beam weld LI Jin-wei 1, 2, TANG Zhen-yun 2, GUO Guang-yao2, HU Wei 1, ZHANG Yi-liang 1 (1. College of Mechanical Engineering... alloy composition of welds and controls the uniformity of alloy composition, thus improves the mechanical properties of TA15 titanium alloy electron beam welded joint. The welded joint strength......
, LI Zhen-xi. Effects of microstructure on properties of TA15 titanium alloy[J]. Chinese Journal of Rare Metals, 2004, 28(2): 362-364. [17] LIU Y, ZHU J C, YUE Y, WANG Y. Effects of strain rate...;TA15钛合金初始态及不同道次MDIF态微观组织 Fig. 4 Microstructures of TA15 alloy during MDIF after different cycles 图5 TA15钛合金初始态及不同道次MDIF态等轴α和次生片状α晶粒尺寸及轴比 Fig. 5 Size and aspect ratio of equiaxed α......
Superplastic behaviour and microstructure evolution of a fine-grained TA15 titanium alloyZHAO Zhanglong, GUO Hongzhen, CHEN Li, and YAO Zekun School of Material Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China摘 要:The fine-grained microstructure of TA15 titanium alloy was prepared through two-step forging technology......
Burning products of TA15 titanium alloy by friction oxygen concentration methodNan Sui,Guang-Bao Mi,Meng-Qi Yan,Jing-Xia Cao,Xu HuangAviation Key Laboratory of Science and Technology on Advanced... mechanism of the burning products of TA15 titanium alloy were investigated by friction oxygen concentration method, associated with in situ observation, X-ray diffraction(XRD),scanning electron......
Hot deformation behavior and constitutive equations of titanium alloy Ti26 DU Yu(杜宇), QI Yun-lian(戚运莲), ZHAO Yong-qiang(赵永庆), WANG Rui-ning(王蕊宁), LIU Wei(刘伟), XI Zheng-ping(奚正平), HONG Quan.... Constitutive equations were formulated to describe the temperature dependence of the flow stress over a wide range of strain rates. Key words: Ti26 titanium alloy; hot deformation; activation energy......
TA15钛合金冷轧板材异常组织剖析 曹俊霞1,孙秀英1 (1.宝鸡钛业股份公司,陕西,宝鸡,721014) 摘要:主要针对中试试验中TA15钛合金冷轧板材异常性非等轴组织形貌进行分析,为进一步稳定其轧制工艺及进行工业化生产提供帮助. 关键词:TA15钛合金冷轧板; 等轴组织; 异常组织; [全文内容正在添加中] ......