上海隆进特殊钢有限公司
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TA4工业用钛板#纯钛密度 TA4钛合金
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).
A+B钛合金：它是双相合金，具有良好的综合性能，组织稳定性好，有良好的韧性、塑性和高温变形性能，能较好地进行热压力加工，能进行淬火、时效使合金强化。热处理后的强度约比退火状态提高50%—100%；高温强度高，可在400℃—500℃的温度下长期工作，其热稳定性次于a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。
