ASTM C 1624 : 2005 : R2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Adhesion Strength and Mechanical Failure Modes of Ceramic Coatings by Quantitative Single Point Scratch Testing
Hardcopy , PDF
28-04-2022
English
28-04-2015
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 15.01, 2017 Specifies the determination of the practical adhesion strength and mechanical failure modes of hard (Vickers Hardness HV = 5 GPa or higher), thin (<= 30 (mu)m) ceramic coatings on metal and ceramic substrates at ambient temperatures.
| Committee |
C 28
|
| DocumentType |
Test Method
|
| Pages |
29
|
| ProductNote |
Reconfirmed 2015
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This test method covers the determination of the practical adhesion strength and mechanical failure modes of hard (Vickers Hardness HV = 5 GPa or higher), thin (≤30 μm) ceramic coatings on metal and ceramic substrates at ambient temperatures. These ceramic coatings are commonly used for wear/abrasion resistance, oxidation protection, and functional (optical, magnetic, electronic, biological) performance improvement.
1.2In the test method, a diamond stylus of defined geometry (Rockwell C, a conical diamond indenter with an included angle of 120° and a spherical tip radius of 200 μm) is drawn across the flat surface of a coated test specimen at a constant speed and a defined normal force (constant or progressively increasing) for a defined distance. The damage along the scratch track is microscopically assessed as a function of the applied force. Specific levels of progressive damage are associated with increasing normal stylus forces. The force level(s) which produce a specific type/level of damage in the coating are defined as a critical scratch load(s). The test method also describes the use of tangential force and acoustic emission signals as secondary test data to identify different coating damage levels.
1.3Applicability to Coatings—This test method is applicable to a wide range of hard ceramic coating compositions: carbides, nitrides, oxides, diamond, and diamond-like carbon on ceramic and metal substrates. The test method, as defined with the 200 μm radius diamond stylus, is commonly used for coating thicknesses in the range of 0.1 to 30 μm. Test specimens generally have a planar surface for testing, but cylinder geometries can also be tested with an appropriate fixture.
1.4Principal Limitations:
1.4.1The test method does not measure the fundamental adhesion strength of the bond between the coating and the substrate. Rather, the test method gives an engineering measurement of the practical (extrinsic) adhesion strength of a coating-substrate system, which depends on the complex interaction of the test parameters (stylus properties and geometry, loading rate, displacement rate, and so forth) and the coating/substrate properties (hardness, fracture strength, modulus of elasticity, damage mechanisms, microstructure, flaw population, surface roughness, and so forth).
1.4.2The defined test method is not directly applicable to metal or polymeric coatings which fail in a ductile, plastic manner, because plastic deformation mechanisms are very different than the brittle damage modes and features observed in hard ceramic coatings. The test method may be applicable to hard metal coatings which fail in a brittle mode with appropriate changes in test parameters and damage analysis procedures and criteria.
1.4.3The test method, as defined with the Rockwell C diamond stylus and specific normal force and rate parameters, is not recommended for very thin (<0.1 μm) or thicker coatings (>30 μm). Such coatings may require different stylus geometries, loading rates, and ranges of applied normal force for usable, accurate, repeatable results.
1.4.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. Test data values in SI units (newtons (N) for force and millimetres (mm) for displacement) are to be considered as standard and are in accordance with IEEE/ASTM SI 10.
1.4.5This 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.
1.5Organization—The test method is organized into the following sections:
| Section | |
| Scope | 1 |
| Purpose and Description | 1.1 |
| Applicability | 1.3 |
| Principal Limitations | 1.4 |
| Organization | 1.5 |
| Referenced Documents | 2 |
| ASTM Standards | 2.1 |
| Other Standards and References | 2.2 |
| Terminology | 3 |
| Summary of Test Method | 4 |
| Significance and Use | 5 |
| Test Methodology and Experimental Control | 6 |
| Test Overview | 6.1 |
| Test Modes | 6.2 |
| Primary and Supplementary Measurements | 6.3 |
| Critical Scratch Load Damage Criteria and Scratch Atlas | 6.4 |
| Experimental Factors and Variables | 6.5 |
| Interferences | 7 |
| Material and Specimen Related | 7.2 |
| Test Method Related | 7.3 |
| Apparatus | 8 |
| General Description | 8.1 |
| Stylus and Stylus Mounting | 8.2 |
| Mechanical Stage and Displacement Control | 8.3 |
| Test Frame and Force Application System | 8.4 |
| Force and Displacement Sensors | 8.5 |
| Optical Analysis and Measurement | 8.6 |
| Data Acquisition and Recording | 8.7 |
| Acoustic Emission (Optional) | 8.8 |
| Coating Adhesion Reference Specimens (Optional) | 8.9 |
| Coating Surface Profilometry (Optional) | 8.10 |
| Data Analysis and Output Software (Optional) | 8.11 |
| Test Specimens | 9 |
| Specimen Requirements | 9.1 |
| Specimen Characterization | 9.2 |
| Specimen Size | 9.3 |
| Specimen Flatness and Level | 9.4 |
| Polishing (Optional) | 9.5 |
| Specimen Exposure Conditioning (Optional) | 9.6 |
| Specimen Cleaning | 9.7 |
| Specimen Handling and Storage | 9.8 |
| Calibration | 10 |
| System Calibration | 10.1 |
| Reference Specimens | 10.2 |
| Test Procedure | 11 |
| Calibration | 11.1 |
| Test Mode Selection | 11.2 |
| Test Planning | 11.3 |
| Stylus Inspection and Cleaning | 11.4 |
| Environmental Conditions | 11.5 |
| System Set-Up and Check | 11.6 |
| Test Specimen Mounting | 11.7 |
| Conducting the Test | 11.8 |
| Specimen Count | 11.9 |
| Invalid and Censored Data | 11.10 |
| Scratch Damage Assessment | 11.11 |
| Calculations | 12 |
| Report | 13 |
| Test Identification | 13.2 |
| Specimen Information | 13.3 |
| Test Equipment and Procedure Information | 13.4 |
| Test Data and Statistics | 13.5 |
| Precision and Bias | 14 |
| Keywords | 15 |
| Rockwell Diamond Indenter Specifications | Annex A1 |
| Alignment and Calibration | Annex A2 |
| Repeatability and Reproducibility Studies | Annex A3 |
| Coating Damage Criteria and Scratch Atlas | Appendix X1 |
| Experimental Variables in Scratch Adhesion Testing | Appendix X2 |
| Bibliography |
| ASTM E 1316 : 2011 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2015 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2009 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2008 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2010 : REV C | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2020 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2017 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2013 : REV C | Standard Terminology for Nondestructive Examinations |
| ASTM B 659 : 1990 : R2014 | Standard Guide for Measuring Thickness of Metallic and Inorganic Coatings |
| ASTM E 1316 : 2000 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2019 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1932 : 1997 : R2002 : EDT 1 | Standard Guide for Acoustic Emission Examination of Small Parts |
| ASTM E 1316 : 2014 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2013 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2018 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2011 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2007 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2015 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2019 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2021 : REV A | Standard Terminology for Nondestructive Examinations |
| ASME B46.1 : 2009 | SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY) |
| ASTM E 1316 : 2013 : REV D | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2000 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2019 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2001 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1932 : 2007 | Standard Guide for Acoustic Emission Examination of Small Parts |
| ASTM E 1316 : 2003 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2018 : REV A | Standard Terminology for Nondestructive Examinations |
| IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
| ASTM E 1316 : 2006 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2016 | Standard Terminology for Nondestructive Examinations |
| ASTM E 750 : 2015 : REDLINE | Standard Practice for Characterizing Acoustic Emission Instrumentation |
| ASTM E 1316 : 2021 : REV D | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2002 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2014 : EDT 1 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2010 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2022 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2013 | Standard Terminology for Nondestructive Examinations |
| ASTM E 4 : 2021 | Standard Practices for Force Calibration and Verification of Testing Machines |
| ASTM E 1316 : 2021 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2017 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2016 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2009 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1932 : 2012 | Standard Guide for Acoustic Emission Examination of Small Parts |
| ASTM E 1316 : 2002 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2004 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2007 : REV C | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2010 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2013 : REV A | Standard Terminology for Nondestructive Examinations |
| ASTM B 659 : 1990 : R2021 | Standard Guide for Measuring Thickness of Metallic and Inorganic Coatings |
| ASTM E 1316 : 2021 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2007 : REV B | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2005 | Standard Terminology for Nondestructive Testing |
| ASTM E 1316 : 2004 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2021 : REV C | Standard Terminology for Nondestructive Examinations |
| ASTM E 1316 : 2007 | Standard Terminology for Nondestructive Examinations |
| ASTM E 1932 : 2012 : R2017 | Standard Guide for Acoustic Emission Examination of Small Parts |
| ASTM E 1316 : 2012 | Standard Terminology for Nondestructive Examinations |
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