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度; 微观组织; 变形机制; titanium alloy TC11; tensile deformation; superplasticity; deformation temperature; microstructure; deformation mechanism; [全文内容正在添加中] ...变形温度对TC11钛合金超塑性的影响 鲁世强1,李鑫1,王克鲁1,丁林海1 (1.南昌航空大学,江西,南昌,3300631;2.南京航空航天大学,江苏,南京,210016) 摘要:通过高温拉伸试验研究TC11钛合金在应变速率0.001 s~(-1),变形温度810~1050℃的超塑性变形行为,并用金相显微镜和透射电镜对变形试样的微观组织进行观察和分析.结果表明,在β单相区,TC11钛合金不......
forming method was proposed to form the second titanium alloy vane disk. The hot rheological forming process of the TC11 titanium vane disk under a certain temperature and different strain rates... compared with that produced by traditional method. Key words: TC11 titanium alloy; vane disk; hot rheological forming; numerical simulation; stain rate 1 Introduction Metal rheological forming......
Lamellar Disintegration Mechanism of TC11 Titanium Alloy during Hot Compression郑佩琦,黄陆军School of Materials Science & Engineering,Harbin Institute of Technology摘 要:TC11 titanium alloy samples with lamellar microstructrue were compressed on a Gleeble 1500D Simulator.Compression tests were carried out at 950 ℃ and a strain rate of 0.1 s-1 with height......
treatment processing (two-stage annealing) on the mechanical properties and the microstructure of the TC11 titanium alloy large forgings was investigated. The results show that increasing the annealing...炼熔铸成d440 mm的铸锭,化学成分见表1. 表1 TC11的化学成分 Table 1 Chemical composition of TCll titanium alloy (mass fraction, %) 采用2 000 t锻造水压机在β相区进行变形量＞80%开坯,在β区采取逐级降温的加热方式进行开坯锻造,充分破碎原始β晶粒和晶界α相.在两相区锻造过程中......
塑性的有效方法. 关键词:TC11钛合金; 超塑性; 最大m值超塑变形; 变形工艺; TC11 titanium alloy; superplastic deformation; maximum m value superplastic deformation; deformation process; [全文内容正在添加中] ...变形工艺对TC11钛合金超塑性的影响 董洪波1,曹春晓1,王高潮1 (1.南昌航空大学航空制造工程学院,江西,南昌,330063;2.北京航空材料研究院,北京,100095) 摘要:为了研究TC11(Ti-6.5Al-3.5Mo-1.5Zr-0.3Si)钛合金的超塑性变形行为,采用两种改锻工艺细化坯料原始组织,然后在电子拉伸试验机上分别以恒速,恒应变速率和最大m值法进行拉伸实验.结果表明......
魏氏组织,在α边界和α内部残留有大量细小β,晶界α基本没有破碎消失. 关键词:TC11钛合金; 激光立体成形; 热处理; 组织; TC11 titanium alloy; laser solid forming; heat treatment; microstructure; [全文内容正在添加中] ...热处理对激光立体成形TC11钛合金组织的影响 黄卫东1,林鑫1,陈静1,黄瑜1,张凤英1 (1.西北工业大学,凝固技术国家重点实验室,陕西,西安,710072;2.西北有色金属研究院,陕西,西安,710016) 摘要:通过对TC11钛合金激光立体成形件沉积态和热处理态组织进行对比研究,探索改善TC11钛合金激光立体成形组织,提高材料高温综合性能的途径.结果表明,TC11钛合金的沉积态组织由......
. Optimization of high temperature deformation parameters of titanium alloy TC11 by using Murty criterion[J]. Acta Metallurgica Sinica, 2007, 43(12): 1268?1274. [6] LI Xiao-li, LI Miao-quan, ZHU Da-song...图分类号:TG 146.2; TG 316 文献标识码:A Hot deformation behavior of TC11 alloy with thick lamellar microstructure in two phase field based on Murty criterion LI Xin1, 2, LU......
Surface Protection Methods against Fretting Fatigue for TC11 Titanium Alloy沈桂琴,罗建军,王世洪摘 要:１ＩｎｔｒｏｄｕｃｔｉｏｎＴｉｔａｎｉｕｍａｌｏｙｉｓｏｎｅｋｉｎｄｏｆａｔｔｒａｃｔｉｖｅｅｎｇｉｎｅｅｒｉｎｇｍａｔｅｒｉａｌｓｄｕｅｔｏｉｔｓｅｘｃｅｌｅｎｔｓｔｒｅｎｇｔｈ／ｗｅｉｇｈｔｒａｔｉｏａｎｄｒｅｍａｒｋａｂｌｅｃｏｒｏｓｉｏ...关键词:......
:A Effect of laser cutting in nitrogen atmosphere on microstructure of TC11 titanium alloy and properties of welding joints LIU Chang-kui, LI Ying, HE Yu-huai, TAO Chun-hu (Beijing Institute of Aeronautical Materials, Beijing 100095, China) Abstract: TC11 titanium alloy plates were cut by laser and then heat treated in nitrogen atmosphere. The microstructure and microhardness of the surface layers......
) in titanium alloy TC11 at high temperature and the influence of oxygen solution layer on performances of substrate were characterized with the help of apparatus, such as TGA,SEM/EDAX, XRD, EPMA, Micro-hardness.... Titanium alloys with oxygen solution layer exhibited improved corrosion resistance both in 3.5 % NaCl and in 5 % HCl solution. Oxidation resistance of TC11 with oxygen solution layer at high temperature......
