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ASTM E2973-15
Standard Digital Reference Images for Inspection of Aluminum and Magnesium Die Castings
Automaticky přeložený název:
Standardní Digital Referenční snímky pro kontrolu hliníku a hořčíku odlitky
NORMA vydána dne 1.1.2015
Informace o normě:
Označení normy: ASTM E2973-15
Poznámka: NEPLATNÁ
Datum vydání normy: 1.1.2015
Kód zboží: NS-46316
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Nedestruktivní zkoušení kovů
Výrobky z hliníku
Výrobky z hořčíku
Anotace textu normy ASTM E2973-15 :
Keywords:
aluminum, die casting, discontinuity classification, digital reference image, discontinuities, magnesium, X-ray,, ICS Number Code 77.040.20 (Non-destructive testing of metals),77.150.10 (Aluminium products),77.150.20 (Magnesium products)
Doplňující informace
| 1. Scope | ||||||||||||||
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1.1 These digital reference images illustrate various categories, types, and severity levels of discontinuities that may occur in aluminum-alloy and magnesium-alloy die castings. They are intended to provide: 1.1.1 A guide enabling recognition of discontinuities and their differentiation both as to type and severity level through digital radiographic imaging. 1.1.2 Example digital radiographic illustrations of discontinuities and a nomenclature for reference in acceptance standards, specifications, and drawings. Note 1: The basis of application for these reference images
requires a prior purchaser supplier agreement of radiographic
examination attributes and acceptance criteria as described in
Sections 5 and 6 of this standard.
1.2 These digital reference images consist of nine images covering discontinuities in aluminum and magnesium alloy die castings. Four contain graded sequences of four levels of increasing severity in aluminum castings. Four contain graded sequences of four levels of increasing severity in magnesium castings. The last image contains ungraded illustrations of inclusions in aluminum and magnesium alloy die castings. 1.3 Two kinds of illustration categories are covered as follows: 1.3.1 Graded—Three discontinuity categories for aluminum die castings and three discontinuity categories for magnesium die castings, each illustrated in four levels of progressively increasing severity. Category A discontinuities are illustrated for aluminum and magnesium die castings having thicknesses of 1/8 in. (3.2 mm) and 5/8 in. (15.9 mm); Category B discontinuities are illustrated for 1/8 in. thick aluminum and magnesium die castings; and Category C discontinuities are illustrated for 5/8 in. (15.9 mm) thick aluminum and magnesium die castings. 1.3.2 Ungraded—One illustration of one discontinuity for 0.20 in. (5.1 mm) thickness aluminum die casting and one illustration of one discontinuity for 1/8 in. (3.2 mm) thickness magnesium die casting. 1.4 This document may be used for other materials, thicknesses or with other energy levels for which it has been found to be applicable and agreement has been reached between purchaser and supplier. 1.5 All areas of this standard may be open to agreement between the cognizant engineering organization and the supplier, or specific direction from the cognizant engineering organization. These items should be addressed in the purchase order or the contract. 1.6 These digital reference images are not intended to illustrate the types and degrees of discontinuities found in aluminum and magnesium die castings when performing film radiography. If performing film radiography of aluminum or magnesium die castings, refer to Reference Radiographs E505. 1.7 Only licensed copies of the software and images shall be utilized for production inspection. A copy of the ASTM/User license agreement shall be kept on file for audit purposes. (See Note 2.) Note 2: The set of digital reference images consists of nine
digital data files, and software to load the desired format and
specific instructions on the loading process. The nine reference
images illustrate eight sets of graded discontinuities and one
category of ungraded discontinuities. Available from ASTM
International Headquarters, Order No: RRE2973.
1.8 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units. 1.9 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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