Preparation method for Ti6Al7Nb titanium alloy large-specification plate blank
The invention discloses a preparation method for a Ti6Al7Nb titanium alloy large-specification plate blank. The preparation method comprises the following steps: placing an ingot blank in a chamber type electric resistance furnace, carrying out three-time upsetting and forging, taking out the ingot...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a preparation method for a Ti6Al7Nb titanium alloy large-specification plate blank. The preparation method comprises the following steps: placing an ingot blank in a chamber type electric resistance furnace, carrying out three-time upsetting and forging, taking out the ingot blank and carrying out water cooling on the ingot blank to obtain a first forging stock; thoroughly grinding the first forging stock, placing the first forging stock in the chamber type electric resistance furnace, carrying out two-time reversed upsetting and forging, taking out the ingot blank and carrying out water cooling on the ingot blank to obtain a second forging stock; thoroughly grinding the second forging stock, placing the second forging stock in the chamber type electric resistance furnace, carrying out three-time reversed upsetting and forging, taking out the second forging stock, and carrying out water cooling to obtain a third forging stock; thoroughly grinding the third forging stock, placing the th |
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