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Standard Test Methods for Bend Testing of Metallic Flat Materials for Spring Applications Involving Static Loading
Automatische name übersetzung:
Standard-Prüfverfahren für Biege Prüfung metallischer Werkstoffe für Flachfeder Anwendungen, bei denen statische Loading
NORM herausgegeben am 1.4.2013
Bezeichnung normen: ASTM E855-08(2013)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2013
SKU: NS-48268
Zahl der Seiten: 9
Gewicht ca.: 27 g (0.06 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
ICS Number Code 21.160 (Springs)
Significance and Use | ||||||||||
4.1 Measurements of bending strength and modulus of elasticity in bending should be made for materials whose principal stressing mode is bending. For many materials, the tensile and compressive moduli are somewhat different. Since the bending modulus is a combination of the tensile and compressive moduli, it is often different from each of them. 4.2 Precise measurements of the modulus of elasticity in bending and bending strength require due regard for numerous variables that may affect their determination. These include (1) characteristics such as specimen orientation with respect to the rolling direction, grain size, residual stresses, previous strain history, dimensions and specimen preparation, orientation of deformed grains relative to the direction of the normal stress; and (2) test conditions, such as tem- perature, temperature variations, condition of the test equipment and adherence to the recommended test procedure. |
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1. Scope | ||||||||||
1.1 This standard describes three test methods1.1.1 Test Method A—a cantilever beam, 1.1.2 Test Method B—a three-point loaded beam (that is, a beam resting on two supports and centrally loaded), and 1.1.3 Test Method C—a four-point loaded beam (that is, a beam resting on two supports and loaded at two points equally spaced from each support). 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 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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1.4.1998
1.6.2011
28.5.2004
28.5.2004
8.4.2009
22.1.1997
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