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NATIONAL AEROSPACE AND DEFENSE CONTRACTORS ACCREDITATION PROGRAM (NADCAP) GENERAL REQUIREMENTS FOR MATERIALS TEST LABORATORY ACCREDITATION PROGRAM
- Aerospace Standard
Published May 01, 1993 by SAE International in United States
This standard establishes the minimum requirements for materials testing laboratories (MTL) accredited by NADCAP. The following test methods and processes for metallic material systems are covered in this standard.
Metallography and Microhardness
Corrosion and Oxidation
Mech. Test Specimen Preparation
Differential Thermal Analysis
Heat Treat of Specimens
Other Non-Conventional/Engineering Tests
Slower quench rates tend to produce lower tensile strength in Quench + Temper and Solution + Age alloys. For example, properties of water quenched specimen material may not adequately represent oil or air quenched parts. (And in most cases, specimen material has less effective thickness -- hence a naturally faster cooling rate -- than the parts represented even when the same type quench is used.)
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