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Tensile strength

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Standard

Coating, Black Oxide
2021-08-09
CURRENT
AMS2485L
This specification covers the requirements for black oxide coatings on parts.
Standard

Aluminum Coating Ion Vapor Deposition
2023-12-13
CURRENT
AMS2427E
This specification covers the requirements for ion vapor deposited (IVD) aluminum on steel, titanium, and aluminum alloys.
Technical Paper

Effect of Austenitization Time on Al-Si Coating of 22MnB5 Steel: Influence on Projection Welding
2022-02-04
2021-36-0015
Results showed that the coating morphology changed after applying different heating times, resulting in stratified layers due to the diffusion of elements, such as Al, Si, and Fe, between the steel and the coating. With longer times, in addition to thicker coating layers, the increase in Fe-rich phases and the decrease of Al-rich phases were observed. ...However, the presence of an aluminized coating can affect the welding process and the final mechanical properties of the welded joints. ...Therefore, it is of great significance to understand the effects of heat treatment on the coating and its correlation with weldability. In the automotive industry, a usual method is projection welding which is based on the joining between a metallic stud, such as bolts and nuts, and a metallic sheet by resistance welding.
Technical Paper

Influence of Coating Microstructure on the Fatigue Properties of Zinc Coated Sheet Steels
1998-02-23
980955
The experimentally determined fatigue properties were compared to conventional estimates based on tensile properties which ignore coating effects. The results of this work suggest that ductile coatings may enhance fatigue resistance, while brittle coatings may reduce fatigue life. ...The influence of coatings on fatigue behavior has been examined for the following commercially produced sheet steels: uncoated titanium stabilized interstitial-free (IF); electrogalvanized titanium stabilized IF; hot-dip galvanized aluminum killed, drawing quality (AKDQ); and galvannealed AKDQ. ...A dependence of crack development was observed and correlated to the microstructure and properties of the different coatings. Furthermore, a functional design relationship for each material was determined through stress-life analysis.
Journal Article

Application of Innovative PVD Coating to Stamping Dies for Processing Ultra-High Tensile Strength Steel Sheets
2009-04-20
2009-01-1170
High temperature wear test indicate that the wear rate of the new coating is 2 to 10 lower than conventional diffusion coatings. The result of stamping test using ultra-high tensile steel sheets indicate that life time of the die can be prolonged by the factor of at least 5 to 10 times. ...A novel nitride based coating system (BELCOAT-SS) was developed for the stamping dies for ultra high-tensile strength steel. ...It is characterized by an excellent wear resistance and low deposition temperature compare to the conventional diffusion coatings such as VC or TiC. High temperature wear test indicate that the wear rate of the new coating is 2 to 10 lower than conventional diffusion coatings.
Journal Article

Microstructural Contact Mechanics Finite Element Modeling Used to Study the Effect of Coating Induced Residual Stresses on Bearing Failure Mechanisms
2014-04-01
2014-01-1018
Coatings have the potential to improve bearing tribological performance. However, every coating application process and material combination may create different residual stresses and coating microstructures, and their effect on bearing fatigue and wear performance is unclear. ...The MSCM models show an increase coating crack gap distances due to tensile coating residual stresses. A detailed discussion of these results and the overall value of the developed model's methods and considerations are presented in this work. ...However, every coating application process and material combination may create different residual stresses and coating microstructures, and their effect on bearing fatigue and wear performance is unclear. The aim of this work is to investigate coating induced residual stress effects on bearing failure indicators using a microstructural contact mechanics (MSCM) finite element (FE) model.
Standard

COATING MATERIALS, FLUOROCARBON ELASTOMERIC
1985-07-01
HISTORICAL
AMS3138A
This specification covers fluorocarbon elastomeric coating materials for fiber-reinforced-resin composite structures in the form of two-component brushable or sprayable liquids.
Standard

COATING MATERIALS, FLUOROCARBON ELASTOMERIC
1980-10-01
HISTORICAL
AMS3138
This specification covers fluorocarbon elastomeric coating materials for fiber-reinforced-resin composite structures in the form of two-component brushable or sprayable liquids.
Standard

BLACK OXIDE COATING
1982-04-01
HISTORICAL
AMS2485G
This specification covers the engineering requirements for producing black oxide coatings on parts and the properties of such coatings.
Standard

Coating, Black Oxide
2002-10-22
HISTORICAL
AMS2485J
This specification covers the engineering requirements for producing black oxide coatings on parts and the properties of such coatings.
Standard

BLACK OXIDE COATING
1992-01-01
HISTORICAL
AMS2485H
This specification covers the engineering requirements for producing black oxide coatings on parts and the properties of such coatings.
Standard

Coating, Black Oxide
2008-01-16
HISTORICAL
AMS2485K
This specification covers the requirements for black oxide coatings on parts.
Standard

COATING, CADMIUM Vacuum Deposition
1995-05-01
HISTORICAL
AMS2426C
This specification covers the engineering requirements for vacuum deposition of cadmium and the properties of the deposit.
Standard

Coating, Cadmium Vacuum Deposition
2007-04-24
HISTORICAL
AMS2426D
This specification covers the engineering requirements for vacuum deposition of cadmium and the properties of the deposit.
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