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GB/T 24300-2009 English PDF

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GB/T 24300-2009: Test method of flaws of Cu-W contact
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PDF similar to GB/T 24300-2009


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Basic data

Standard ID GB/T 24300-2009 (GB/T24300-2009)
Description (Translated English) Test method of flaws of Cu-W contact
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K14
Classification of International Standard 29.120.99
Word Count Estimation 7,772
Date of Issue 2009-09-30
Date of Implementation 2010-02-01
Quoted Standard JB/T 9218-2007
Regulation (derived from) Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the use penetrant testing copper-tungsten electrical contacts cracks, holes and local osteoporosis as well as copper tungsten overall electrical contact interface cracks and inclusions, cracks and pores of copper and other common side flawed methodology. This standard applies to copper and copper tungsten tungsten electrical contacts overall electrical contacts open defect detection. This standard does not apply to copper and copper tungsten, tungsten electrical contacts overall electrical contact closure defect detection.

GB/T 24300-2009: Test method of flaws of Cu-W contact

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Test method of flaws of Cu-W contact ICS 29.120.99 K14 National Standards of People's Republic of China Copper tungsten electrical contacts defect detection method Posted 2009-09-30 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee for Electrotechnical alloy (SAC/TC228) centralized. This standard is drafted by. Wenzhou Hongfeng Electrical Alloy Co., Ltd., Guilin Ginger Electrical and Electronic Materials Technology Co., Guilin electricity Institute is science. Participated in the drafting of this standard. Liaoning Jinchang New Material Co., Ltd., and Greece Alloy Co., Ltd., Shaanxi Strip Industrial Co., Ltd., Wenzhou Juxing silver contacts Limited. The main drafters of this standard. Chen, Sectors that Undermine Wuwen An, Zheng Yuanlong, Wang Xiaojun, Xie Yongzhong, Yang Qing, Zhao Jun, large horse, Chen Jingsheng. Copper tungsten electrical contacts defect detection method

1 Scope

This standard specifies the use penetrant inspection to detect tungsten copper electrical contacts cracks, holes and partial loose and copper tungsten overall electrical contact interface crack Common methods of pattern defects and inclusions, cracks and holes and other copper end. This standard applies to the detection of copper and tungsten electrical contacts Copper tungsten electrical contacts overall open defects. This standard does not apply to the detection of copper and copper tungsten, tungsten electrical contacts overall electrical contact closure defects.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. JB/T 9218-2007 NDT penetrant testing

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 In manufacturing, copper-tungsten alloy that is external or internal organization stress crack formation. 3.2 When infiltration of copper, copper-tungsten alloy inclusions in the internal organization of the volatiles remaining holes. 3.3 When infiltration of copper, copper-tungsten alloy internal organization is not completely melt infiltration of the porous loose tissue formed. 3.4 In the sintering (or welding), the overall presence of a copper tungsten alloy and copper tungsten contacts copper bonding interface side oxide layer or layers formed by inclusions crack. 3.5 During sintering, copper-tungsten contact cooling and solidifying the overall precipitation of small holes in gas tungsten alloy of copper and copper-side bonding interface formation. 3.6 Sintered (or welding), copper-tungsten solid contacts the end of the copper oxide layer, or the presence of internal organization inclusions layer formed cracks. 3.7 During sintering, copper tungsten copper end overall contact cooling and solidification segregation and the formation of the internal porous loose tissue.

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