Low cost and high strength titanium alloy and heat treatment process

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United States of America Patent

PATENT NO 9828662
APP PUB NO 20150184272A1
SERIAL NO

13979713

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Abstract

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Systems and methods of a low cost, high strength titanium alloy are disclosed. According to illustrative implementations, the weight percent of the alloy composition may be: Fe content 3%˜7%, Al content 3%˜5%, C content 0.01%˜0.02%, with the balance being Ti and unavoidable impurities. Industrial pure iron, carbon steel, and industrial pure aluminum etc. may be used as the raw materials. In one exemplary method, the raw materials are mixed before being pressed to a block. The block may be double-melted to an alloy cast ingot, forged by a conventional titanium alloy forging process, and subsequently undergo a solid solution treatment of (820° C.˜950° C.)/1 h+water quenching, and an ageing treatment of (450° C.˜550° C.)/4 h+air cooling, wherein the mechanical properties of the alloy are that σb=1000˜1250 MPa, δ=5%-12%.

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Patent Owner(s)

Patent OwnerAddress
BEIJING UNIVERSITY OF TECHNOLOGY100124 NO 100 CHAOYANG DISTRICT PING TIAN PARK BEIJING BEIJING CITY BEIJING CITY 100124

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Hui Beijing, CN 333 1675
Li, Bolong Beijing, CN 2 0
Li, Hongmei Beijing, CN 79 725
Liu, Tong Beijing, CN 293 2685
Rong, Li Beijing, CN 14 241
Wang, Wei Beijing, CN 2815 17926

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