ASTM F1160-00e1

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Designation: F 1160 – 00
Standard Test Method for
Shear and Bending Fatigue Testing of Calcium Phosphate
and Metallic Medical and Composite Calcium Phosphate/
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Metallic Coatings
This standard is issued under the fixed designation F 1160; 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 (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—Editorial corrections were made to 1.1, 8.1, 8.2, and 9.5.1.2 in June 2001.
1. Scope E 206 Definitions of Terms Relating to Fatigue Testing and
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the Statistical Analysis of Fatigue Data
1.1 This test method covers the procedure for determining
E 466 Practice for Conducting Force Controlled Constant
the shear and bending fatigue performance of calcium phos-
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Amplitude Axial Fatigue Tests of Metallic Materials
phate coatings and of porous and nonporous metallic coatings
E 467 Practice for Verification of Constant Amplitude Dy-
and for determining the bending fatigue performance of
namic Loads on Displacements in an Axial Load Fatigue
metallic coatings oversprayed with calcium phosphate. This
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Testing Machine
test method has been established based on plasma-sprayed
E 468 Practice for Presentation of Constant Amplitude Fa-
titanium and plasma-sprayed hydroxylapatite coatings. The
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tigue Test Results for Metallic Materials
efficacy of this test method for other coatings has not been
E 1012 Practice for Verification of Specimen Alignment
established. In the shear fatigue mode this test method evalu-
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Under Tensile Loading
ates the adhesive and cohesive properties of the coating on a
metallicsubstrate.Inthebendingfatiguemodethistestmethod
3. Definitions
evaluates both the adhesion of the coating as well as the effects
3.1 The definitions of terms relating to shear and fatigue
that the coating may have on the substrate material. These
testing appearing in Terminology E 6 shall be considered as
methods are limited to testing in air at ambient temperature.
applying to the terms used in this test method.
These test methods are not intended for application in fatigue
tests of components or devices; however, the test method
4. Summary of Test Method
which most closely replicates the actual loading configuration
4.1 Shear Fatigue Testing:
is preferred.
4.1.1 The intent of the shear fatigue test is to determine the
1.2 The values stated in SI units are to be regarded as the
adhesive or cohesive strength, or both, of the coating.
standard.
4.1.2 This test method is designed to allow the coating to
1.3 This standard does not purport to address all of the
fail at either the coating/substrate interface, within the coating,
safety concerns, if any, associated with its use. It is the
or at the glue/coating interface between the coating and the
responsibility of the user of this standard to establish appro-
adhesivebondingagentusedtotransmittheloadtothecoating.
priate safety and health practices and determine the applica-
4.2 Bending Fatigue Testing:
bility of regulatory limitations prior to use.
4.2.1 The primary intent of the bending fatigue test is to
2. Referenced Documents quantify the effect that the coating has on the substrate it is
applied to. Secondarily, it may be used to provide a subjective
2.1 ASTM Standards:
evaluation of coating adhesion, (that is, spalling resistance,
E 6 Terminology Relating to Methods of Mechanical Test-
2 cracking resistance, and so forth).
ing
4.2.2 This test is designed to first provide a substrate fatigue
strength to serve as a baseline to assess the effects of the
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This test method is under the jurisdiction ofASTM Committee F04 on Medical coating on the resulting fatigue strength of the system.
and Surgical Materials and Devices and is the direct responsibility of Subcommittee
F04.15 on Materials Test Methods.
Current edition approved Nov. 10, 2000. Published January 2001. Originally
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published as F 1160 – 91. Last previous edition F 1160 – 98. Discontinued 1988, see Annual Book of ASTM Standards, Vol 03.01; replaced
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Annual Book of ASTM Standards, Vol 03.01. by Terminology E 1823.
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F 1160
5. Significance and Use
5.1 The shear and bending fatigue tests are used to deter-
mine the effect of variations in material, geometry, surface
condition, stress, and so forth, on the fatigue resistance of
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coatedmetallicmaterialssubjectedtodirectstressforupto10
cycles. These tests may be used as a relative guide to the
selection of coated materials for service under condition of
repeated stress.
5.2 In order that such basic fa
...