BS 1723-3-1988 Brazing -Part 3 Methods for non-destructive and destructive testing
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ID： |
D4884E2FE4004C7AB370BB21D3D682C7 |
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文件大小(MB)： |
1.02 |
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页数： |
61 |
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日期： |
2008-6-28 |
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Licensed Copy: opu-jwb94 opu-jwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI,British Standard,A single copy of this British Standard is licensed to,opu-jwb94 opu-jwb94,01 November 2004,This is an uncontrolled copy. Ensure use of the most,current version of this document by searching British,Standards Online at bsonline.techindex.co.uk,BRITISH STANDARD BS 1723-3:,1988,Brazing —,Part 3: Methods for non-destructive and,destructive testing,UDC 621.791.36,Licensed Copy: opu-jwb94 opu-jwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI,BS 1723-3:1988,This British Standard, having,been prepared under the,direction of the Welding,Standards Committee, was,published under the authority,of the Board of BSI and comes,into effect on,30 December 1988,. BSI 07-1999,The following BSI references,relate to the work on this,standard:,Committee reference WEE/19,Draft for comment 86/77417 DC,ISBN 0 580 16720 8,Committees responsible for this,British Standard,The preparation of this British Standard was entrusted by the Welding,Standards Committee (WEE/-) to Technical Committee WEE/19, upon which,the following bodies were represented:,BNF Metals Technology Centre,British Association for Brazing and Soldering,British Non-Ferrous Metals Federation,Electricity Supply Industry in England and Wales,Heating and Ventilating Contractors’ Association,Institute of Refrigeration,Joint Industry Board for Plumbing Mechanical Engineering Services in,England and Wales,Plumbing Trades Union,Society of British Aerospace Companies Limited,Welding Institute,Coopted member,Amendments issued since publication,Amd. No. Date of issue Comments,Licensed Copy: opu-jwb94 opu-jwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI,BS 1723-3:1988,. BSI 07-1999 i,Contents,Page,Committees responsible Inside front cover,Foreword iii,Section 1. General,1.1 Scope 1,1.2 Definitions 1,1.3 General principles 1,1.4 Items to be agreed and documented 2,1.5 Separation and preparation of the test piece 3,1.6 Sampling procedures 4,Section 2. Non-destructive testing of brazed joints,2.1 General 5,2.2 Visual and aided visual examination of brazed joints 5,2.3 Proof testing of brazed joints 6,2.4 Pressure and vacuum testing for leaks in brazed joints 7,2.5 Penetrant flaw detection applied to brazed joints 8,2.6 Ultrasonic examination of brazed joints 11,2.7 Radiographic examination of brazed joints 12,2.8 Thermographic testing of brazed joints 14,Section 3. Destructive testing of brazed joints,3.1 General 16,3.2 Tensile and shear testing of brazed joints 16,3.3 Peel testing of brazed joints 23,3.4 Stress rupture testing of brazed joints 24,3.5 Impact testing of brazed joints 29,3.6 Bend testing of brazed joints 29,3.7 Hardness testing of brazed joints 32,3.8 Metallographic examination of brazed joints 32,3.9 Corrosion testing of brazed joints 33,Section 4. Testing of brazing filler metals,4.1 General 36,4.2 Preparation of the test sample 36,4.3 Chemical composition of brazing filler metal 36,4.4 Carbon and spatter test for brazing filler metals 36,Section 5. Brazing filler metal melting characteristics,5.1 General 38,5.2 Preparation of the test samples 38,5.3 Procedure 38,5.4 Differential thermal analysis (DTA) 38,5.5 Crucible balling test (flow point) 40,Section 6. Initial determination of flow characteristics and,wettability of brazing filler metals,6.1 General 41,6.2 Flow characteristics and wettability test 41,6.3 Joint filling and metallurgical characteristics of high,temperature brazing filler metals 44,Appendix A Brazing categories 46,Appendix B Defects in brazed joints 46,Appendix C Example of data sheet for test piece preparation 49,Licensed Copy: opu-jwb94 opu-jwb94, Open University The JISC, 01 November 2004, Uncontrolled Copy, (c) BSI,BS 1723-3:1988,ii . BSI 07-1999,Page,Appendix D Recommendations for operators 50,Appendix E Example of non-destructive and destructive testing data,sheet for reporting test results 50,Figure 1 — Direct echo technique 9,Figure 2 — Indirect echo technique 10,Figure 3 — Principles of shear testing brazed joints 17,Figure 4 — Type I shear test piece dimensions 18,Figure 5 — Type II shear test piece dimensions 19,Figure 6 — Single-lap shear test piece 20,Figure 7 — Simple tensile test piece 21,Figure 8 — Tensile test piece dimensions 22,Figure 9 — Peel test piece 24,Figure 10 — Stress rupture test pieces 25,Figure 11 — Impact testing 27,Figure 12 — Free bend test 30,Figure 13 — Supported bend tests for lap and butt joints 31,Figure 14 — Simple bend or flexing test 31,Figure 15 — Test piece for gaseous and wet corrosion testing……
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