Preparation method of TA15 titanium alloy large-specification flat plate forging stock

The invention discloses a preparation method of a TA15 titanium alloy large-specification flat plate forging stock, which comprises the following steps of: firstly, performing two-heating-number upsetting and drawing forging on a cast ingot during cogging forging to obtain an intermediate blank; the...

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Main Authors LIU XIANGHONG, WANG TAO, FENG YONG, WANG KAIXUAN, DU YUXUAN, SHU JINFENG, XU ENEN, LI SHAOQIANG
Format Patent
LanguageChinese
English
Published 23.05.2023
Subjects
FORGE FURNACES
FORGING
HAMMERING
MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
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Summary:The invention discloses a preparation method of a TA15 titanium alloy large-specification flat plate forging stock, which comprises the following steps of: firstly, performing two-heating-number upsetting and drawing forging on a cast ingot during cogging forging to obtain an intermediate blank; then, 4-8 heating numbers of upsetting and drawing forging are conducted on the obtained intermediate blank during intermediate forging, and a forging blank 1 is obtained; and finally, during forming forging, the forging stock 1 is subjected to three-heating-number drawing-out forging, and the TA15 titanium alloy large-specification flat plate forging stock with the target size is obtained after machining. Relevant parameters including but not limited to the heating temperature, the heat preservation time, the forging ratio, the deformation amount, the feeding amount and the like are strictly controlled in all the stages. Compared with the prior art that a reversing upsetting and drawing technology is adopted during i
Bibliography:Application Number: CN202310167866