A new surface-alloying technique for pure copper

1999 ◽  
Vol 14 (8) ◽  
pp. 3271-3274 ◽  
Author(s):  
M-X. Zhang ◽  
K. Reilly ◽  
P. M. Kelly
Keyword(s):  
Electrical Conductivity ◽  
Surface Modification ◽  
Copper Alloy ◽  
Pure Copper ◽  
Copper Substrate ◽  
Alloy Layer ◽  
Surface Alloy ◽  
New Technique ◽  
Surface Alloying

A totally new technique of surface modification—thermal surface-alloying treatment for pure copper—was developed. A 0.2–1.8 mm copper alloy layer, which has a hardness 4 to 5 times higher than the pure copper substrate, was formed after the treatment. The significance of this technique is that the surface of pure copper can be efficiently hardened without significant reduction of the overall thermal and electrical conductivity. Variations of composition and microstructure in the alloy layer were studied after pure copper was surface alloy treated with aluminum.

Preparation and Properties of Cu-Cr Alloy Coating on Cu Matrix by Laser Surface Alloying

2012 ◽  
Vol 581-582 ◽  
pp. 467-470
Author(s):  
Bao Hong Tian ◽  
Yi Zhang ◽  
Yong Liu
Keyword(s):  
Laser Scanning ◽  
Substrate Surface ◽  
Pure Copper ◽  
Copper Substrate ◽  
Scanning Speed ◽  
Alloy Coating ◽  
Processing Parameters ◽  
Laser Surface ◽  
Surface Alloying ◽  
Laser Surface Alloying

The laser surface alloying for metallic materials has been applied widely to improve the wear resistance, corrosion resistance and other required properties. The studies of laser surface alloying on copper-base materials are becoming more and more important. This work using two methods of pretreated coatings, i.e., chemical bonded 50%Cr-50%Cu and pure Cr powders and electroplating chromium coating respectively, on pure copper substrate surface to prepare laser alloyed Cu-Cr alloy coatings was investigated. The samples were treated with different laser scanning speed. Using scanning electron microscopy (SEM), micro-hardness indentor and wear tester, the effects of different coating processing parameters on the microstructure and properties of Cu-Cr coatings were determined and analyzed respectively.

Surface alloying of AZ91D alloy by diffusion coating

2002 ◽  
Vol 17 (10) ◽  
pp. 2477-2479 ◽  
Author(s):  
M-X. Zhang ◽  
P. M. Kelly
Keyword(s):  
Surface Modification ◽  
Electron Probe ◽  
Diffusion Coating ◽  
Solution Treatment ◽  
Optical Microscope ◽  
Alloy Layer ◽  
Az91d Alloy ◽  
Surface Alloying ◽  
Substrate Metal ◽  
A New Technique

A new technique of surface modification by diffusion coating for AZ91D alloy was developed. A 1.0–2.0-mm alloy layer, which has hardness four to five times higher than the substrate metal, was formed after the treatment. Consequent solution treatment and aging could further improve the hardness of the alloy layer. Microstructure and chemical composition were investigated using optical microscope and electron probe.

CDA C18700

Alloy Digest ◽  
1988 ◽  
Vol 37 (1) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Corrosion Resistance ◽  
Copper Alloy ◽  
Base Alloy ◽  
Heat Treating ◽  
High Electrical Conductivity ◽  
Copper Base ◽  
Screw Machine ◽  
Machine Parts ◽  
Copper Base Alloy

Abstract CDA C18700 is a copper-base alloy containing lead (nominally 1.0%). The lead is added to impart free-cutting properties to the metal. Although the lead lowers the electrical conductivity of CDA C18700 slightly below that of tough-pitch copper, it still has high electrical conductivity well within the limits needed for most current-carrying requirements. Typical uses comprise electrical motor and switch parts, electrical connectors and screw-machine parts requiring high conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-533. Producer or source: Copper and copper alloy mills.

COPPER ALLOY No. 182

Alloy Digest ◽  
1975 ◽  
Vol 24 (12) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Fracture Toughness ◽  
Corrosion Resistance ◽  
Shear Strength ◽  
High Temperature ◽  
Copper Alloy ◽  
Heat Treating ◽  
Age Hardening ◽  
High Electrical Conductivity ◽  
Temperature Performance

Abstract Copper Alloy NO. 182 is an age-hardening type of alloy that combines relatively high electrical conductivity with good strength and hardness. It was formerly known as Chromium Copper and its applications include such uses as resistance-welding-machine electrodes, switch contacts and cable connectors. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-305. Producer or source: Copper and copper alloy mills.

COPPER ALLOY No. 120

Alloy Digest ◽  
1972 ◽  
Vol 21 (12) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Corrosion Resistance ◽  
Shear Strength ◽  
Physical Properties ◽  
Tensile Properties ◽  
Copper Alloy ◽  
Heat Treating ◽  
Residual Phosphorus ◽  
Low Level

Abstract COPPER No. 120 is a phosphorus deoxidized copper in which the residual phosphorus is maintained at a low level to acheive a good electrical conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-263. Producer or source: Copper and copper alloy mills.

COPPER ALLOY No. 314

Alloy Digest ◽  
1978 ◽  
Vol 27 (7) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Corrosion Resistance ◽  
Shear Strength ◽  
Physical Properties ◽  
Copper Alloy ◽  
Heat Treating ◽  
Lead Alloy ◽  
Screw Machine ◽  
Copper Zinc ◽  
Machine Parts

Abstract Copper Alloy No. 314 is a copper-zinc-lead alloy with moderate strength and good ductility. It has good electrical conductivity, excellent machinability and a rich bronze color. Its uses include electrical connectors, screw-machine parts and builders' hardware. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-357. Producer or source: Brass mills.

COPPER ALLOY No. 815

Alloy Digest ◽  
1977 ◽  
Vol 26 (5) ◽  
Keyword(s):  
Thermal Conductivity ◽  
Electrical Conductivity ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Copper Alloy ◽  
Heat Treating ◽  
Chromium Alloy ◽  
High Electrical Conductivity ◽  
Medium Hardness ◽  
Hardened Condition

Abstract Copper Alloy No. 815 is an age-hardenable cast copper-chromium alloy. It is characterized by high electrical and thermal conductivities combined with medium hardness and strength in the age-hardened condition. It is used for components requiring high electrical conductivity or high thermal conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Cu-332. Producer or source: Copper alloy foundries.

COPPER ALLOY No. C19200

Alloy Digest ◽  
1984 ◽  
Vol 33 (10) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Stress Corrosion ◽  
Copper Alloy ◽  
High Strength ◽  
Heat Treating ◽  
Flexible Hose ◽  
Hydraulic Brake ◽  
Cold Worked

Abstract Copper Alloy No. C19200 is a high-copper alloy with relatively high strength and electrical conductivity. It has good hot forgeability and good capacity for being cold worked. Among its many uses are applications requiring resistance to softening and stress corrosion, automotive hydraulic brake lines, cable wrap, eyelets, flexible hose and fuse clips. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-485. Producer or source: Copper and copper alloy mills.

MALLORY 53B

Alloy Digest ◽  
1965 ◽  
Vol 14 (9) ◽  
Keyword(s):  
Electrical Conductivity ◽  
Compressive Strength ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Tensile Properties ◽  
Copper Alloy ◽  
High Strength ◽  
Heat Treating ◽  
High Heat ◽  
Excellent Corrosion Resistance

Abstract MALLORY 53B is an economical copper alloy combining high strength with high heat and electrical conductivity and excellent corrosion resistance. It is heat treatable. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: Cu-155. Producer or source: P. R. Mallory & Company Inc..

Sign in / Sign up

Export Citation Format

Share Document