BS EN ISO 22674:2016 – TC:2020 Edition
$246.62
Tracked Changes. Dentistry. Metallic materials for fixed and removable restorations and appliances
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 97 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 53 | European foreword |
| 56 | Foreword |
| 57 | Introduction |
| 58 | 1 Scope 2 Normative references 3 Terms and definitions |
| 60 | 4 Classification |
| 61 | 5 Requirements 5.1 Chemical composition 5.1.1 Reported composition 5.1.2 Permitted deviation from the reported composition for elements 5.2 Hazardous elements 5.2.1 Hazardous elements 5.2.2 Limits for the hazardous elements cadmium and beryllium 5.2.3 Limit for lead |
| 62 | 5.2.4 Nickel 5.3 Biocompatibility 5.4 Mechanical properties 5.4.1 General |
| 63 | 5.4.2 Proof stress of 0,2 % non-proportional extension 5.4.3 Elongation after fracture |
| 64 | 5.5 Elastic modulus 5.5.1 Precision of measurement method 5.5.2 Determination of compliance with the requirements for Type 5 materials |
| 65 | 5.5.3 Mean value 5.6 Density 5.7 Corrosion resistance for material integrity 5.8 Tarnish resistance 5.9 Solidus and liquidus temperatures (alloy) or melting point (commercially pure metal) 5.10 Thermal expansion coefficient |
| 66 | 5.11 Information, instructions and marking 6 Sampling 7 Preparation of test specimens 7.1 General 7.2 Heat treatment 7.2.1 General conditions 7.2.2 Metallic materials for which a heat treatment is recommended in the manufacturer’s instructions for use 7.2.3 Metallic material for metal-ceramic restorations 7.2.4 Metallic materials for which no heat-treatment is recommended in the manufacturer’s instructions for use |
| 67 | 7.3 Proof stress of 0,2 % non-proportional extension and the elongation after fracture: Metallic materials for which production of conventional specimens is possible |
| 68 | 7.4 Type 0 metallic materials for which the production of conventional specimens is not possible 7.5 Elastic moduli 7.5.1 General 7.5.2 Tensile strain method 7.5.3 Flexure method (three or four point bending) |
| 69 | 7.5.4 Acoustic resonance method |
| 70 | 7.6 Density measurement 7.7 Corrosion resistance 7.8 Tarnish resistance and colour 7.9 Linear thermal expansion 8 Test methods 8.1 Information, instructions and marking |
| 71 | 8.2 Chemical composition 8.3 Mechanical testing 8.3.1 Apparatus 8.3.2 Test procedure |
| 72 | 8.4 Proof stress of 0,2 % non-proportional extension 8.4.1 Calculation 8.4.2 Mean value 8.5 Percentage elongation after fracture 8.5.1 Calculation 8.5.2 Mean value 8.6 Elastic modulus measurement 8.6.1 Tensile strain method |
| 73 | 8.6.2 Flexure method in three- or four-point bending mode |
| 75 | 8.6.3 Acoustic resonance method |
| 76 | 8.7 Calculation of elasticity parameters from acoustic measurement 8.7.1 General |
| 77 | 8.7.2 Elastic modulus 8.7.3 Shear modulus |
| 78 | 8.7.4 Poisson ratio 8.8 Density 8.8.1 Preparation of test specimens 8.8.2 Reagents 8.8.3 Apparatus 8.8.4 Procedure 8.9 Corrosion resistance by the static immersion procedure of ISO 10271:2011 8.9.1 Preparation of test specimens 8.9.2 Reagents 8.9.3 Apparatus |
| 79 | 8.9.4 Test solution 8.9.5 Test procedure 8.9.6 Analysis 8.9.7 Treatment of data 8.10 Sulfide tarnish test (cyclic immersion) 8.11 Sulfide tarnish test (static immersion) 8.12 Solidus and liquidus temperatures (dental casting alloys) or melting point (commercially pure metals) 8.12.1 Cooling curve method |
| 80 | 8.12.2 Thermal analysis method |
| 81 | 8.13 Linear thermal expansion 9 Information and instructions for use 9.1 Information |
| 82 | 9.2 Processing instructions 10 Marking and labelling 10.1 Marking 10.2 Labelling of the package |
| 84 | Annex A (informative) Tensile testing of a non-cast Type 0 metallic material that is intended for use in a thickness between 0,1 mm and 0,5 mm |
| 87 | Annex B (normative) Calculation of uncertainty for elasticity measurement |
| 91 | Annex C (informative) Measurement of Poisson ratio |
| 93 | Bibliography |
