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A superalloy, or high-performance alloy, is an alloy with the ability to operate at a high fraction of its melting point.[1] Several key characteristics of a superalloy are excellent mechanical strength, resistance to thermal creep deformation, good surface stability, and resistance to corrosion or oxidation.

The crystal structure is typically face-centered cubic (FCC) austenitic. Examples of such alloys are Hastelloy, Inconel, Waspaloy, Rene alloys, Incoloy, MP98T, TMS alloys, and CMSX single crystal alloys.


Nickel-based superalloys are used in load-bearing structures to the highest homologous temperature of any common alloy system (Tm = 0.9, or 90% of their melting point). Among the most demanding applications for a structural material are those in the hot sections of turbine engines. The preeminence of superalloys is reflected in the fact that they currently comprise over 50% of the weight of advanced aircraft engines. The widespread use of superalloys in turbine engines coupled with the fact that the thermodynamic efficiency of turbine engines is increased with increasing turbine inlet temperatures has, in part, provided the motivation for increasing the maximum-use temperature of superalloys. In fact, during the past 30 years turbine airfoil temperature capability has increased on average by about 4 °F (2.2 °C) per year. Two major factors which have made this increase possible are

 Advanced processing techniques, which improved alloy cleanliness (thus improving reliability) and/or enabled the production of tailored microstructures such as directionally solidified or single-crystal material.

 Alloy development resulting in higher-use-temperature materials primarily through the additions of refractory elements such as Re, W, Ta, and Mo.


Хятад хэлний зэрэгДадлагын зэрэг
GH2901Alloy 901
GH2907Inconel 907
GH3030Nimonic 75
GH3044        Хейнс 230
GH3600        Inconel 600
GH3625        Inconel 625
GH4080A байна        Nimonic 80A
GH4090Nimonic 90
GH4145Inconel X-750
GH4169Inconel 718

БарааныХэмжээ (мм)үйл явцХүргэлтийн нөхцөл
Round BarDIA 1.0 - 30Хүйтэн зураг / Төвгүй нунтаглахBright & Anneal
DIA 20 - 80хоёр талд нь хэвлэхBright & Anneal
DIA 13-180Халуун цувисанХар гадаргуу ба Anneal
DIA 70-400Халуун цувисанХар гадаргуу ба Anneal
Хавтгай барT 3.0-20 XW 20-100Халуун цувисанХар гадаргуу ба Anneal
БлокT 20-200 X 300-800Халуун цувисан ба халуун хуурамчХар гадаргуу / Machine & Anneal
Утсан савааDIA 5.5-13Халуун цувисанХар гадаргуу ба Anneal
хуудасT1.0 - 2.5Хүйтэн цувисанХар гадаргуу ба Anneal
T 2.5 - 8.0Халуун цувисанХар гадаргуу ба Anneal

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