Steel, nickel base and cobalt base alloy remelting stock and castings. Technical specification

1992 ◽  
Keyword(s):  
Base Alloy ◽  
Technical Specification ◽  
Cobalt Base Alloy ◽  
Nickel Base ◽  
Cobalt Base

HAYNES ALLOY No. 150

Alloy Digest ◽  
1988 ◽  
Vol 37 (11) ◽  
Keyword(s):  
High Temperature ◽  
Base Alloy ◽  
Heat Treating ◽  
High Temperature Alloys ◽  
Cobalt Base Alloy ◽  
Shock Resistance ◽  
Nickel Base ◽  
Cobalt Base ◽  
Haynes Alloy ◽  
Cobalt And Nickel

Abstract HAYNES ALLOY No. 150 is a cobalt-base alloy with excellent thermal shock resistance. It has a higher melting point than other cobalt-and nickel-base high-temperature alloys and resists high-temperature corrosion in air and air-sulfur dioxide atmospheres. 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: Co-84. Producer or source: Haynes International Inc..

scholarly journals Processing Window and Microstructure of NiCoCrAlY Coating Deposited on Cast Iron Using Multilayer Laser Cladding

2019 ◽  
Vol 2019 ◽  
pp. 1-15 ◽  
Author(s):  
Hao Liu ◽  
Peijian Chen ◽  
Haifeng Yang ◽  
Jingbin Hao ◽  
Xianhua Tian ◽  
...  
Keyword(s):  
Cast Iron ◽  
Laser Cladding ◽  
Base Alloy ◽  
Alloy Coating ◽  
High Carbon Content ◽  
Processing Window ◽  
Heat Conservation ◽  
Cobalt Base Alloy ◽  
Nickel Base ◽  
Cobalt Base

Cast iron is an iron-carbon alloy widely used in mechanical engineering. Nickel-base or cobalt-base alloy coatings prepared by laser cladding can improve the surface properties of cast iron, thereby increasing the service life of the components; however, due to the poor weldability and high carbon content of cast iron, the use of laser cladding to prepare alloy coatings faces many difficulties. To reduce the brittleness of the bonded interface, laser cladding was applied to the surface of cast iron using a multilayer deposition strategy. Through testing of the single-track laser cladding, the causes of defects in the coating are analysed, including poor bonding, slag inclusions, and pores. An analytical model based on mass and heat conservation is developed, and a processing window of laser tracks without defects is determined thereby. NiCoCrAlY alloy coating prepared by overlapping laser tracks mainly consists of γ-(Fe, Ni) dendrites and interdendritic M7C3 and M23C6 carbides. Although there are no cracks in a single laser track, cracks are detected when laser tracks are overlapped under the same process parameters. The increase in laser power helps to reduce cracking susceptibility on this occasion. The morphology of the grain in NiCoCrAlY alloy coating is mainly epitaxially grown columnar crystals. The increase in microhardness of the coating is mainly attributed to ductile dendrites, precipitated carbides, and grain refinement.

AMDRY 850

Alloy Digest ◽  
1974 ◽  
Vol 23 (7) ◽  
Keyword(s):  
Base Alloy ◽  
Heat Treating ◽  
Alternative Methods ◽  
Corrosive Media ◽  
Maximum Resistance ◽  
Temperature Performance ◽  
Cobalt Base Alloy ◽  
Nickel Base ◽  
Cobalt Base ◽  
Hot Hardness

Abstract AMDRY 850 is a cobalt-base alloy formulated to provide maximum resistance to combinations of abrasion, corrosion, heat and oxidation. It has superior resistance to certain corrosive media and higher hot hardness than nickel-base alloys. Produced in powder form, it allows large areas and cylindrical shaped parts to be hardfaced by spraying and fusing, which is faster and more economical than alternative methods. Sprayed deposits are usually limited to a thickness of 0.080-inch. The data pertain to the deposit after fusing. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as heat treating and machining. Filing Code: Co-70. Producer or source: Alloy Metals Inc..

Fracture Surface in Low Cycle Fatigue of HA-188 Cobalt Base Alloy at High Temperature

1978 ◽  
Vol 27 (292) ◽  
pp. 99-103 ◽  
Author(s):  
Kiyoshi KITA ◽  
Masanori KIYOSHIGE ◽  
Masatake TOMINAGA ◽  
Junzo FUJIOKA
Keyword(s):  
High Temperature ◽  
Fracture Surface ◽  
Base Alloy ◽  
Low Cycle Fatigue ◽  
Cycle Fatigue ◽  
Cobalt Base Alloy ◽  
Cobalt Base
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