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Additive manufacturing of metals — Finished part properties — Orientation and location dependence of mechanical properties for metal powder bed fusion
Name übersetzen
NORM herausgegeben am 1.4.2021
Bezeichnung normen: ASTM/ISO 52909-22
Ausgabedatum normen: 1.4.2021
SKU: NS-1087617
Zahl der Seiten: 12
Gewicht ca.: 36 g (0.08 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
crack growth direction, fatigue crack growth, force-controlled fatigue, fracture toughness, metal additive manufacturing, part location, part orientation, part testing, small-scale testing, strain-controlled fatigue, tensile testing, test methods,
Significance and Use |
5.1?Although evaluation of mechanical properties of many additively manufactured materials can be conducted using the guidelines developed for conventional materials within existing testing standards, the coordinate systems and nomenclature specific to conventional materials testing (for example, in ASTM E399, ASTM E647, ISO 12108, and ISO 12135) are not sufficient to be applicable across the full spectrum of specimen/parts produced by metal AM without causing confusion. This document is based on the nomenclature and principles of ISO/ASTM 52921 and extends them specifically to metal AM. The application of this document is primarily intended to provide guidance on orientation designations in cases in which meaningful orientation/direction for AM cannot be obtained from available test methods. 5.2?It shall be understood that the interpretations and guidelines in this document do not alter the validity requirements of test methods nor can this document be used to change the designation of invalid data (that is according to test methods) to a valid condition. This document is primarily concerned with cases in which it is not possible or practical to obtain meaningful data based on orientation/direction designations that are currently covered in standards developed for conventionally processed materials. |
1. Scope |
1.1?This document covers supplementary guidelines for evaluation of mechanical properties including static/quasi-static and dynamic testing of metals made by additive manufacturing (AM) to provide guidance toward reporting results from testing of as-build specimen or those excised from printed parts made by this technique or both. 1.2?This document is provided to leverage already existing standards. Guidelines are provided for mechanical properties measurements and reporting for additively manufactured metallic specimen as well as those excised from parts. 1.3?This document expands upon the nomenclature of ISO/ASTM 52900 and principles of ISO/ASTM 52921 and extends them specifically to metal additive manufacturing. The application of this document is primarily intended to provide guidance on orientation designations in cases where meaningful orientation/direction for AM cannot be obtained from available test methods. 1.4?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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