牌号 | Thermo-Span® Alloy |
厂家 | Carpenter Technology Corporation |
分类 | Iron |
介绍 | Thermo-Span® alloy is a precipitation hardenable superalloy which exhibits a low coefficient of thermal expansion over a broad temperature range, high tensile and rupture strengths, and good thermal fatigue resistance. This alloy offers a significant improvement in environmental resistance over Pyromet® alloys CTX-1, CTX-3, and CTX-909 due to the addition of chromium. The alloy also possesses and excellent combination of tensile properties and stress rupture strength in the recrystallized condition with the use of common solution and age hardening treatments. Unlike the CTX-family of alloys, the use of specific braze-cycle age hardening treatments is not required for ThermoSpan alloy due to the higher solution treating temperature. Applications: Thermo-Span alloy should be considered for use in all applications for which the current low expansion superalloys are suited. These include compressor and exhaust casings, seals and other gas turbine components. Additional high temperature applications where moderate oxidation resistance is required are feasible with Thermo-Span alloy. This alloy should also be considered for use in applications requiring resistance to thermal fatigue. |
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