纯钛TA2钛棒 钛合金#工业用途纯钛TA2 软态
TA2 titanium alloy with high strength and density of small, good mechanical properties, toughness and corrosion resistance is very good. In addition, the process performance of titanium alloy is poor, machining difficulty, in the hot working, very easy to absorb hydrogen nitrogen impurities such as carbon. And abrasion resistance is poor, complex production process. Titanium industrial production was started in 1948. The needs of the development of aviation industry, make titanium industry development with an average of about 8% a year growth. The world titanium alloy processing material annual output reached 40000 tons, of nearly 30 kinds of titanium alloy. Is the most widely used titanium alloy Ti 6 al 4 v (TC4), al Ti - 5-2.5 - Sn (TA7) and pure titanium (TA1, TA2 and TA3). TA2 titanium alloy is mainly used to produce aircraft engine compressor components, followed by the rockets and missiles and high-speed plane structure. 60 s, titanium and its alloy has set up a file in the general industrial application, used for making electrode electrolysis industry, power plant condenser, oil refining and seawater desalination heater and environmental pollution control devices, etc. Titanium and its alloy
中国钛合金:ZTi3 ZTiAl4 ZTiAl5Sn2.5 ZTiMo32 ZTiAl6V4 ZTiAl6Sn4.5Nb2Mo1.5 ZTA1 ZTA2 ZTA3 ZTA5 ZTA7 ZTB32 ZTC4 ZTC21 TAD TAO TA1 TA2 TA3 TA4 TA5 TA6 TA7 TA7EL1 TA9 TA10 TB2 TB3 TB4 TC1 TC2 TC3 TC4 TC6 TC9 TC10 TC11 TC12 G-Ti2 G-Ti3 G-T42 G-TiPd G-Ti3Pd G-TiAL6Sn2Zr4Mo2 G-TiAl6V4 TiAl6Zr5Mo0.5Si G-TiAl5Fe2.5
三种钛合金中X常用的是a钛合金和a+B钛合金;a钛合金的切削加工性X好,a+p钛合金次之,B钛合金X差。A钛合金代号为TA,B钛合金代号为TB,a+B钛合金代号为TC。钛合金按用途可分为耐热合金、高强合金、耐蚀合金(钛-钼,钛-钯合金等)低温合金以及特殊功能合金(钛--铁贮氢材料和钛-镍记忆合金)等。典型合金的成分和性能见表。
热处理 钛合金通过调整热处理工艺可以获得不同的相组成和组织。一般认为细小等轴组织具有较好的塑性、热稳定性和疲劳强度;针状组织具有较高的持久强度、蠕变强度和断裂韧性;等轴和针状混合组织具有较好的综合性能。
钛合金的性能:钛是一种新型金属。钛的性能与所含碳、氮、氢、氧等杂质含量有关,X纯的碘化钛杂质含量不X过0.1%,但其强度低、塑性高99.5%