ASTM F1160-05
(Test Method)Standard Test Method for Shear and Bending Fatigue Testing of Calcium Phosphate and Metallic Medical and Composite Calcium Phosphate/Metallic Coatings
Standard Test Method for Shear and Bending Fatigue Testing of Calcium Phosphate and Metallic Medical and Composite Calcium Phosphate/Metallic Coatings
SIGNIFICANCE AND USE
The shear and bending fatigue tests are used to determine the effect of variations in material, geometry, surface condition, stress, and so forth, on the fatigue resistance of coated metallic materials subjected to direct stress for up to 107 cycles. These tests may be used as a relative guide to the selection of coated materials for service under condition of repeated stress.
In order that such basic fatigue data be comparable, reproducible, and can be correlated among laboratories, it is essential that uniform fatigue practices be established.
The results of the fatigue test may be used for basic material property design. Actual components should not be tested using these test methods.
SCOPE
1.1 This test method covers the procedure for determining the shear and bending fatigue performance of calcium phosphate coatings and of porous and nonporous metallic coatings and for determining the bending fatigue performance of metallic coatings oversprayed with calcium phosphate. This test method has been established based on plasma-sprayed titanium and plasma-sprayed hydroxylapatite coatings. The efficacy of this test method for other coatings has not been established. In the shear fatigue mode, this test method evaluates the adhesive and cohesive properties of the coating on a metallic substrate. In the bending fatigue mode, this test method evaluates both the adhesion of the coating as well as the effects that the coating may have on the substrate material. These methods are limited to testing in air at ambient temperature. These test methods are not intended for application in fatigue tests of components or devices; however, the test method which most closely replicates the actual loading configuration is preferred.
1.2 The values stated in SI units are to be regarded as the standard.
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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Standards Content (Sample)
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Designation: F1160 – 05
Standard Test Method for
Shear and Bending Fatigue Testing of Calcium Phosphate
and Metallic Medical and Composite Calcium Phosphate/
1
Metallic Coatings
This standard is issued under the fixed designation F1160; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
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1. Scope the Statistical Analysis of Fatigue Data
E466 Practice for Conducting Force Controlled Constant
1.1 This test method covers the procedure for determining
Amplitude Axial Fatigue Tests of Metallic Materials
the shear and bending fatigue performance of calcium phos-
E467 Practice for Verification of Constant Amplitude Dy-
phate coatings and of porous and nonporous metallic coatings
namic Forces in an Axial Fatigue Testing System
and for determining the bending fatigue performance of
E468 Practice for Presentation of Constant Amplitude Fa-
metallic coatings oversprayed with calcium phosphate. This
tigue Test Results for Metallic Materials
test method has been established based on plasma-sprayed
E1012 PracticeforVerificationofTestFrameandSpecimen
titanium and plasma-sprayed hydroxylapatite coatings. The
Alignment Under Tensile and Compressive Axial Force
efficacy of this test method for other coatings has not been
Application
established. In the shear fatigue mode, this test method
evaluates the adhesive and cohesive properties of the coating
3. Definitions
on a metallic substrate. In the bending fatigue mode, this test
3.1 The definitions of terms relating to shear and fatigue
method evaluates both the adhesion of the coating as well as
testing appearing in Terminology E6 shall be considered as
the effects that the coating may have on the substrate material.
applying to the terms used in this test method.
These methods are limited to testing in air at ambient tempera-
ture. These test methods are not intended for application in
4. Summary of Test Method
fatigue tests of components or devices; however, the test
4.1 Shear Fatigue Testing:
method which most closely replicates the actual loading
4.1.1 The intent of the shear fatigue test is to determine the
configuration is preferred.
adhesive or cohesive strength, or both, of the coating.
1.2 The values stated in SI units are to be regarded as the
4.1.2 This test method is designed to allow the coating to
standard.
fail at either the coating/substrate interface, within the coating,
1.3 This standard does not purport to address all of the
or at the glue/coating interface between the coating and the
safety concerns, if any, associated with its use. It is the
adhesivebondingagentusedtotransmittheloadtothecoating.
responsibility of the user of this standard to establish appro-
4.2 Bending Fatigue Testing:
priate safety and health practices and determine the applica-
4.2.1 The primary intent of the bending fatigue test is to
bility of regulatory limitations prior to use.
quantify the effect that the coating has on the substrate it is
2. Referenced Documents applied to. Secondarily, it may be used to provide a subjective
2 evaluation of coating adhesion, (that is, spalling resistance,
2.1 ASTM Standards:
cracking resistance, and so forth).
E6 TerminologyRelatingtoMethodsofMechanicalTesting
4.2.2 Thistestmethodisdesignedtofirstprovideasubstrate
E206 Definitions of Terms Relating to Fatigue Testing and
fatiguestrengthtoserveasabaselinetoassesstheeffectsofthe
coating on the resulting fatigue strength of the system.
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This test method is under the jurisdiction ofASTM Committee F04 on Medical
5. Significance and Use
and Surgical Materials and Devices and is the direct responsibility of Subcommittee
5.1 The shear and bending fatigue tests are used to deter-
F04.15 on Materials Test Methods.
Current edition approved April 1, 2005. Published April 2005. Originally
mine the effect of variations in material, geometry, surface
´1
approved in 1991. Last previous edition approved in 2000 as F1160 – 00 . DOI:
condition, stress, and so forth, on the fatigue resistance of
10.1520/F1160-05.
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2 coatedmetallicmaterialssubjectedtodirectstressforupto10
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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Withdrawn.
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F1160 – 05
cycles. These tests may be used as a relative guide to the
selection of coated materials for service under con
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