Browse Topic: Chromium alloys
This SAE Aerospace Standard (AS) covers the requirements for thermocouple extension cable. Manufacturers of primary thermocouple wire in accordance with this specification must be qualified to the similar wire type specified in Table 1.
For convenience, this SAE Information Report is presented in two parts as shown below. To avoid repetition, however, data applicable to both wrought and cast alloys is included only in Part 1. Part I—Wrought Copper and Copper Alloys Types of Copper (Table 1) General Characteristics (Table 3) Electrical Conductivity Thermal Conductivity General Mechanical Properties (Table 10) Yield Strength Fatigue Strength Physical Properties (Table 2) General Fabricating Properties (Table 3) Formability Bending Hot Forming Machinability Joining Surface Finishing Color Corrosion Resistance Effect of Temperature Typical Uses (Table 3) Part II—Cast Copper Alloys Types of Casting Alloys Effects of Alloy Elements and Impurities General Characteristics (Table 11) Physical Properties (Table 12) Typical Uses (Table 11)
For convenience, this SAE Information Report is presented in two parts as shown below. To avoid repetition, however, data applicable to both wrought and cast alloys is included only in Part 1. Part I—Wrought Copper and Copper Alloys Types of Copper (Table 1) General Characteristics (Table 3) Electrical Conductivity Thermal Conductivity General Mechanical Properties (Table 10) Yield Strength Fatigue Strength Physical Properties (Table 2) General Fabricating Properties (Table 3) Formability Bending Hot Forming Machinability Joining Surface Finishing Color Corrosion Resistance Effect of Temperature Typical Uses (Table 3) Part II—Cast Copper Alloys Types of Casting Alloys Effects of Alloy Elements and Impurities General Characteristics (Table 11) Physical Properties (Table 12) Typical Uses (Table 11)
High Velocity Oxy-Fuel (HVOF) sprayed hardface coatings (i.e.: chromium carbide/nickel chromium) are widely used in the aircraft industry for severe wear environment. The hardface coatings have the ability to withstand different forms of wear such as abrasion, adhesion, fretting, and particle erosion. Major aircraft engine manufacturers and repair facilities use these coatings for both original engine manufacture (OEM) and for repair and overhaul of critical engine components which experience various types of wear. The objective of this study was to develop effective spray parameters for optimized coating properties using a statistical method known as Taguchi technique. The properties evaluated were coating hardness, bond strength, particle erosion, abrasive wear and microstructures. By using Taguchi Analysis the relationship between the various key parameters and coating properties can be determined.
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