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PROCESS FOR IMPROVING THE FATIGUE PROPERTIES OF CERTAIN NICKEL-BASE ALLOYS BY HEAT-TREATMENT
PROCESS FOR IMPROVING THE FATIGUE PROPERTIES OF CERTAIN NICKEL-BASE ALLOYS BY HEAT-TREATMENT
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机译:通过热处理改善某些镍基合金疲劳性能的方法
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1276690 Heat-treating nickel alloys UNITED AIRCRAFT CORP 13 Oct 1969 [13 Nov 1968] 50209/69 Heading C7A , An alloy containing in percentage by weight: - CR 9À5-14 Mo 5-6À5 Ti 2.6-4 B 0.01-0.02 Ni 40-45 C # 0À1 Mn # 0À5 Si # 0À4 P # 0À03 S # 0À03 Co # 1 Al # 0.75 Cu # 0À5 Fe balance is solution treated at 968‹ -1010‹ C. for at least 1 hour, and precipitation hardened at 704‹ -732‹ C., the minimum treatment times preferably being 1 hour and four hours respectively. A second precipitation treatment at 621‹ -677‹ C. for a minimum of 12 hours may follow.
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机译:1276690热处理镍合金UNITED AIRCRAFT CORP 1969年10月13日[1968年11月13日] 50209/69税号C7A,按重量百分比计的合金:-CR 9‑5-14 Mo 5-6‑5 Ti 2.6-4 B 0.01-0.02 Ni 40 -45 C#0‑1 Mn#0‑5 Si#0‑4 P#0‑03 S#0‑03 Co#1 Al#0.75 Cu#0‑5 Fe余量在968 ‹-1010 ‹C固溶至少1小时,并在704沉淀硬化-732℃,最短治疗时间分别优选为1小时和4小时。可能在621℃-677℃下进行至少12小时的第二次沉淀处理。
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