GB/T 24529-2009 English PDF

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GB/T 24529-2009: Carbon materials -- Determination of open porosity
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24529-2009	139	Add to Cart	3 days	Carbon materials -- Determination of open porosity	Valid

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Basic data

Standard ID: GB/T 24529-2009 (GB/T24529-2009)
Description (Translated English): Carbon materials -- Determination of open porosity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q52
Classification of International Standard: 29.050
Word Count Estimation: 6,685
Date of Issue: 2009-10-30
Date of Implementation: 2010-05-01
Quoted Standard: GB/T 1427; GB/T 8170
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
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 principles for determination of apparent porosity of carbon materials, equipment, test results, specimens, test procedure. This standard applies to the apparent porosity of carbon materials for determination. Determination of porosity, there are two, namely vacuum method and boiling method. When arbitration analysis, using a vacuum method.

GB/T 24529-2009: Carbon materials -- Determination of open porosity

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Carbon materials. Determination of open porosity ICS 29.050 Q52 National Standards of People's Republic of China Carbon materials - Determination of Porosity Posted 2009-10-30 2010-05-01 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 Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard was drafted. Sinosteel Jilin Carbon Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Cui Guowei, Zhu Jie, health, Wang Jun, Wang Jing. Carbon materials - Determination of Porosity

1 Scope

This standard specifies the principles for determination of apparent porosity carbon materials, equipment, samples, test procedures, test results. This standard applies to carbon materials for determination of apparent porosity. Determination of apparent porosity, there are two, namely vacuum method and the boiling method. In secondary When cutting analysis, using vacuum method.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently With amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1427 carbon material sampling method GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment Principle 3 Vacuum method or boiling method sample gas porosity within the exclusion, the water filled in the gap, application Archimedes'law measured tone open Pore \u200b\u200bvolume, the ratio of the total volume of the sample, and then converted to mass ratio is expressed as a percentage.

4 Equipment

4.1 Blast Oven. with automatic thermostat, can be heated to 200 ℃. 4.2 evacuation means. the degree of vacuum reached to 0.098 MPa or can (see Figure 1). 4.3 Balances .( Figure 2 modification), a sense of the amount of 0.01g. 4.4 Beaker. 3000mL, 300mL each one. 4.5 square plate. 300mm × 270mm × 120mm. 4.6 Grid .( metal preparation) 280mm × 260mm × 20mm, diameter 150mm high 20mm.

5 Sample

5.1 Sample Press GB/T 1427 provisions for sampling and processing. 5.2 Sample size .( diameter) 45mm ± 0.1mm × (height) 40mm ± 0.1mm or (diameter) 40mm ± 0.1mm × (high) 40mm ± 0.1mm. ......

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