scholarly journals Repair Standards for Aero and Industrial Turbine Blades

1989 ◽  
Author(s):  
J. Liburdi ◽  
P. Lowden
Keyword(s):  
Turbine Blades ◽  
Heat Treating ◽  
Remaining Life ◽  
Jet Engine ◽  
Quality And Reliability

The maintenance of aero and industrial engines requires components to be refurbished to a level appropriate to their service and overhaul requirements. In some cases, the refurbishment of jet engine blades requires only minor tip restoration, whereas, in other cases, complete remanufacturing and heat treating are necessary. This paper examines the various levels of repair performed on aero and industrial blades, as well as reviewing the influence of these repairs on the reliability and the remaining life of these parts. It is essential that turbine operators recognize that repairs can vary, not only in extent, but in quality and reliability. Therefore, they must specify the appropriate standard of repair and re-certification required for their engines.

AISI No. 616

Alloy Digest ◽  
1967 ◽  
Vol 16 (9) ◽  
Keyword(s):  
Fracture Toughness ◽  
High Temperature ◽  
Turbine Blades ◽  
Heat Treating ◽  
Jet Engine ◽  
Steel Mills ◽  
Temperature Performance ◽  
Type Stainless Steel ◽  
Steam Turbine Blades ◽  
Engine Components

Abstract AISI No. 616 is a hardenable martensitic type stainless steel recommended for high temperature applications up to 1200 F. It is used for steam turbine blades and buckets, valves, jet engine components, and high temperature bolting. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fracture toughness and creep. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-200. Producer or source: Alloy steel mills and foundries.

HAYNES ALLOY No. 36

Alloy Digest ◽  
1959 ◽  
Vol 8 (3) ◽  
Keyword(s):  
Fracture Toughness ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Base Alloy ◽  
Heat Treating ◽  
Jet Engine ◽  
Temperature Performance ◽  
Cobalt Base Alloy ◽  
Cobalt Base ◽  
Haynes Alloy

Abstract HAYNES Alloy No. 36 is a cobalt-base alloy having excellent strength at temperatures up to 1800 deg. F. It is the cast modification of wrought HAYNES Alloy No. 25 and has been used successfully in jet engine blading and nozzle vanes. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: Co-17. Producer or source: Haynes Stellite Company.

UDIMET L-605

Alloy Digest ◽  
2004 ◽  
Vol 53 (12) ◽  
Keyword(s):  
Corrosion Resistance ◽  
High Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Gas Turbine ◽  
Oxidation Resistance ◽  
Turbine Blades ◽  
Heat Treating ◽  
Gas Turbine Blades ◽  
Temperature Performance

Abstract Udimet L-605 is a high-temperature aerospace alloy with excellent strength and oxidation resistance. It is used in applications such as gas turbine blades and combustion area parts. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: CO-109. Producer or source: Special Metals Corporation.

FLYLITE ZRE-1

Alloy Digest ◽  
1952 ◽  
Vol 1 (2) ◽  
Keyword(s):  
Compressive Strength ◽  
High Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Base Alloy ◽  
Heat Treating ◽  
Jet Engine ◽  
Temperature Performance ◽  
Engine Components ◽  
Temperature Applications

Abstract Flylite ZRE-1 is a creep resistant magnesium-base alloy primarily designed for jet engine components and other high temperature applications. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as creep. It also includes information on high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: Mg-2. Producer or source: Howard Foundry Company.

CM-R 411

Alloy Digest ◽  
1967 ◽  
Vol 16 (9) ◽  
Keyword(s):  
Shear Strength ◽  
High Temperature ◽  
Gas Turbine ◽  
Precipitation Hardening ◽  
Base Alloy ◽  
Heat Treating ◽  
Nickel Base Alloy ◽  
Jet Engine ◽  
Temperature Performance ◽  
Nickel Base

Abstract CM-R41 is a vacuum-melted, precipitation hardening nickel-base alloy possessing outstanding properties in the temperature range of 1200 F to 1800 F. It is recommended for jet engine and gas turbine components operating at high temperatures. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and shear strength as well as creep. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: Ni-127. Producer or source: Cannon-Muskegon Corporation.

CARPENTER M-252

Alloy Digest ◽  
1973 ◽  
Vol 22 (9) ◽  
Keyword(s):  
Corrosion Resistance ◽  
High Temperature ◽  
Physical Properties ◽  
Gas Turbine ◽  
Base Alloy ◽  
Heat Treating ◽  
Nickel Base Alloy ◽  
Jet Engine ◽  
Temperature Performance ◽  
Nickel Base

Abstract CARPENTER M-252 is an age-hardenable nickel-base alloy designed for highly stressed parts operating at temperatures up to 1600 F. Its prime application is for jet-engine and gas-turbine buckets. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-195. Producer or source: Carpenter.

NIVCO-10

Alloy Digest ◽  
1964 ◽  
Vol 13 (6) ◽  
Keyword(s):  
Fracture Toughness ◽  
Precipitation Hardening ◽  
Turbine Blades ◽  
High Strength ◽  
Heat Treating ◽  
Damping Capacity ◽  
High Ductility ◽  
Westinghouse Electric Corporation ◽  
Westinghouse Electric ◽  
Cobalt Base

Abstract Nivco 10 is a cobalt-base turbine alloy having a combination of high damping capacity, high strength and high ductility. It is a precipitation hardening alloy recommended for use at temperatures up to 1200 F, such as turbine blades. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on forming, heat treating, machining, and joining. Filing Code: Co-37. Producer or source: Westinghouse Electric Corporation.

METGLAS MBF-10/10A

Alloy Digest ◽  
1981 ◽  
Vol 30 (11) ◽  
Keyword(s):  
High Temperature ◽  
Metallic Glass ◽  
Physical Properties ◽  
Tensile Properties ◽  
Stainless Steels ◽  
High Strength ◽  
Heat Treating ◽  
Jet Engine ◽  
Major Application

Abstract METGLAS MBF-10A is a brazing foil in ductile, flexible metallic-glass form (a similar grade, MBF-10, is identical except that it has larger dimensional tolerances). This foil provides an alloy with high strength at both elevated and room temperatures. It can be used to join highly stressed stainless steels and heat-resisting alloy components. Major application is in fabricating high-temperature jet-engine parts. This datasheet provides information on composition, physical properties, microstructure, tensile properties. It also includes information on heat treating and joining. Filing Code: Ni-272. Producer or source: Allied Corporation.

CMN-155

Alloy Digest ◽  
1968 ◽  
Vol 17 (8) ◽  
Keyword(s):  
High Temperature ◽  
Heat Resistance ◽  
Physical Properties ◽  
Gas Turbine ◽  
Base Alloy ◽  
Heat Treating ◽  
Jet Engine ◽  
Iron Base Alloy ◽  
Temperature Performance ◽  
High Oxidation

Abstract CMN-155 is an austenitic iron-base alloy having high oxidation and heat resistance combined with good high temperature properties. It is recommended for jet engine and gas turbine components, high temperature fasteners, and rocket chambers. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SS-212. Producer or source: Cannon-Muskegon Corporation.

FIRTH-VICKERS F.V.520B

Alloy Digest ◽  
1965 ◽  
Vol 14 (3) ◽  
Keyword(s):  
Corrosion Resistance ◽  
Stainless Steels ◽  
Martensitic Stainless Steel ◽  
Turbine Blades ◽  
Heat Treating ◽  
Good Corrosion Resistance ◽  
Temperature Performance ◽  
Temperature Heat ◽  
Steam Turbine Blades ◽  
Temperature Heat Treatment

Abstract F.V.520B is an improved martensitic stainless steel which has good corrosion resistance, weldability, and capacity of being hardened by low temperature heat treatment. It is recommended for steam turbine blades and aircraft components. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-166. Producer or source: Firth-Vickers Stainless Steels Ltd.

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