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GB/T 26284-2010 English PDF

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GB/T 26284-2010: Experimental method for flux inclusions and oxide in wrought magnesium alloys
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GB/T 26284-2010English139 Add to Cart 3 days [Need to translate] Experimental method for flux inclusions and oxide in wrought magnesium alloys Valid GB/T 26284-2010

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Basic data

Standard ID GB/T 26284-2010 (GB/T26284-2010)
Description (Translated English) Experimental method for flux inclusions and oxide in wrought magnesium alloys
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H12
Classification of International Standard 77.040.01
Word Count Estimation 6,616
Date of Issue 2011-01-14
Date of Implementation 2011-11-01
Quoted Standard GB/T 6682
Regulation (derived from) National Standard Approval Announcement 2011 No.51
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 wrought magnesium alloy ingots and processed products in flux, test methods for oxidation inclusions. This standard applies to flux and oxidation of wrought magnesium alloy ingot inclusions detected and processed products.

GB/T 26284-2010: Experimental method for flux inclusions and oxide in wrought magnesium alloys

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Experimental method for flux inclusions and oxide in wrought magnesium alloys ICS 77.040.01 H12 National Standards of People's Republic of China Wrought magnesium alloy flux, oxide inclusions Test Method Issued on. 2011-01-14 2011-11-01 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 Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard is drafted by. Beijing Guangling Jinghua Science and Technology Co., Ltd. Participated in the drafting of this standard. National Engineering Research Center of magnesium alloy, Nanjing Yunhai Special Metals Corp., Wayne G (Hebi) magnesium-based Materials Co., Ltd., Ningxia Hua one hundred million Magnesium Co., Ltd., Taiyuan Yuejin Magnesium Limited. The main drafters of this standard. Xiao Li, Lisheng Kai, Pan Fusheng, Tao Mei, Wang Lishun, Zhang Jing, WANG Xiu-rong, house middle school, Tao Wei Jian. Wrought magnesium alloy flux, oxide inclusions Test Method

1 Scope

This standard specifies the wrought magnesium alloy ingots and processed products in flux, the test method oxidized inclusions. This standard applies to flux and oxidation wrought magnesium alloy ingots and processed products inclusions detected.

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. GB/T 6682 analytical laboratory use specifications and test methods

3 Reagents and equipment

3.1 Reagents 3.1.1 nitric acid (14). 3.1.2 silver nitrate solution (0.1mol/L). 3.1.3 Water. in line with GB/T 6682 in three. 3.2 Equipment 3.2.1 temperature and humidity chamber. temperature range of 0 ℃ ~ 100 ℃, humidity range of 30% ~ 98% RH, can automatically control System temperature and humidity, the effective volume of the test may be determined according to the size and number of parts to be detected. 3.2.2 Magnifier. with scale, zoom more than 10 times multiple.

4 sampling

Wrought magnesium alloy ingots and product tests are carried out on the test piece. Unless otherwise specified, at the beginning of ingot, middle and end parts of the cut Take appropriate cross-sectional area and the size of the specimen tested; if not intercepted in the middle of the test piece, allowing only the start and end parts of the intercept test Sheets for testing.

5 test procedure

5.1 Test surface cleaning before the test piece Before the test strip into the climatic chamber must ensure that the test strip has a new section and clean surface. You can use the magnesium alloy corrosion-free removal Oil, alcohol or clean cloth and so remove the test piece surface grease, fingerprints, magnesium shavings and dust. After machining the test piece surface roughness Ra should be small At 3.2μm. After the completion of the preparation of the specimen from the start of the trial into a constant temperature and humidity box storage time should not exceed 24h, and should be kept in a dry Atmosphere. 5.2 Test 5.2.1 test at a temperature of 32 ℃ ± 2 ℃, relative humidity of 90% ± 2% of the constant temperature and humidity chamber continued 8h, test time can also be based Customer requirements for consultation, but not less than 4h; sample holder should be placed parallel to each other and the surface to be detected spaced, vertical or horizontal plane to maintain An angle (to 60 ° ~ 70 ° is appropriate) to avoid detection surface to form water marks. 5.2.2 After the test, the test piece was taken out from the constant temperature and humidity chamber, or visually using a magnification of 10 times magnifying glass specimen table Surface for corrosion product. Statistics are the size and number of corrosion spots. For further confirmation of the corrosion products, executable 5.2.3 step.

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