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Super Liga

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Super Liga

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speċifikazzjonijiet

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.


Applikazzjonijiet:

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.


speċifikazzjonijiet:

SUPER ALLOY
Grad ĊiniżGrad Internazzjonali
GH1140        
GH2036        
GH2132A-286
GH2696        
GH2901Liga 901
GH2907Inconel 907
GH3030Nimoniku 75
GH3039        
GH3044        Haynes 230
GH3128
GH3536
GH3600        Inconel 600
GH3625        Inconel 625
GH4033        
GH4080A        Nimoniku 80A
GH4090Nimoniku 90
GH4145Inconel X-750
GH4169Inconel 718


PuntDimensjoni (mm)ProċessKondizzjoni tal-kunsinna
Bar tondDIA1.0 - 30Tpinġija kiesħa / tħin bla ċentruBright & Anneal
DIA20 - 80TqaxxirBright & Anneal
DIA 13-180Irrumblat bis-sħanaWiċċ iswed u Anneal
DIA 70 - 400Irrumblat bis-sħanaWiċċ iswed u Anneal
Bar ĊattT 3.0-20 XW 20-100Irrumblat bis-sħanaWiċċ iswed u Anneal
BlokkT 20-200 X 300-800Hot Rolled & Hot FalsifikatiWiċċ iswed / Magna & Anneal
Virga tal-wajerDIA 5.5 - 13Irrumblat bis-sħanaWiċċ iswed u Anneal
FoljiT1.0 - 2.5Irromblati kesħinWiċċ iswed u Anneal
T 2.5 - 8.0Irrumblat bis-sħanaWiċċ iswed u Anneal


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