JPH0577744B2 - - Google Patents

Info

Publication number

JPH0577744B2

JPH0577744B2 JP17914183A JP17914183A JPH0577744B2 JP H0577744 B2 JPH0577744 B2 JP H0577744B2 JP 17914183 A JP17914183 A JP 17914183A JP 17914183 A JP17914183 A JP 17914183A JP H0577744 B2 JPH0577744 B2 JP H0577744B2

Authority

JP

Japan

Prior art keywords

temperature

heat treatment

tungsten

jig

temperature heat

Prior art date

1983-09-29

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

Links

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• 238000010438 heat treatment Methods 0.000 claims description 59
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 57
• 229910052721 tungsten Inorganic materials 0.000 claims description 56
• 239000010937 tungsten Substances 0.000 claims description 56
• 239000000463 material Substances 0.000 claims description 21
• 238000004519 manufacturing process Methods 0.000 claims description 18
• 238000000034 method Methods 0.000 claims description 16
• 238000001953 recrystallisation Methods 0.000 claims description 16
• 238000000137 annealing Methods 0.000 claims description 7
• ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 17
• 229910052750 molybdenum Inorganic materials 0.000 description 17
• 239000011733 molybdenum Substances 0.000 description 17
• 239000000470 constituent Substances 0.000 description 6
• 238000005336 cracking Methods 0.000 description 6
• 239000000919 ceramic Substances 0.000 description 5
• 230000000052 comparative effect Effects 0.000 description 5
• 238000005482 strain hardening Methods 0.000 description 5
• 230000002159 abnormal effect Effects 0.000 description 4
• 238000010586 diagram Methods 0.000 description 4
• 238000005245 sintering Methods 0.000 description 4
• 230000000694 effects Effects 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• 238000001816 cooling Methods 0.000 description 2
• 239000013078 crystal Substances 0.000 description 2
• 230000002950 deficient Effects 0.000 description 2
• 239000000835 fiber Substances 0.000 description 2
• 238000005242 forging Methods 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 238000005096 rolling process Methods 0.000 description 2
• 229910052581 Si3N4 Inorganic materials 0.000 description 1
• 238000004220 aggregation Methods 0.000 description 1
• 230000002776 aggregation Effects 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 238000003754 machining Methods 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 150000002739 metals Chemical class 0.000 description 1
• 238000003672 processing method Methods 0.000 description 1
• 238000005303 weighing Methods 0.000 description 1