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Standard Test Methods for Forming Superplastic Metallic Sheet (Includes all amendments And changes 7/10/2015).
Automaticky přeložený název:
Standardní zkušební metody pro tvorbu Superplastické kovová
NORMA vydána dne 1.9.2009
Označení normy: ASTM E2712-09e1
Poznámka: NEPLATNÁ
Datum vydání normy: 1.9.2009
Kód zboží: NS-45909
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
constant strain rate, metallic materials, metallic sheet materials, superplastic forming, superplastic forming properties, superplastic properties, temperature, true strain, true stress, Aluminum alloys, Constant strain, Metallic sheet materials, Superplastic forming properties (SPF), ICS Number Code 77.140.50 (Flat steel products and semi-products)
Significance and Use | ||
When a superplastic material is regularly being used in industrial production, it is often convenient to use the bulge test to qualify a batch or heat lot to an acceptance criterion. Comparing these test methods with Test Method E 2448, the bulge test does not require a machined coupon, it is more convenient to perform, and it most closely simulates the multiaxial stresses and strains present in forming parts. These test methods do not measure the intrinsic superplastic properties of a material. Test Method E 2448 should be used in that instance. |
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1. Scope | ||
1.1 These test methods describe procedures for determining the biaxial formability of a superplastic metallic sheet in a circular die. 1.2 The intent of these test methods are primarily to be used as tests of superplasticity as measured by the ability to form to a prescribed depth in a die cavity without rupturing. These test methods can also be used to generate material for the measurement of cavitation in the formed part. These can be used as go/no go criteria for qualification to a specification. 1.3 These test methods have been used successfully with aluminum alloys. The use of these test methods on other metals should be verified. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||
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