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GB/T 23369-2009: Standard test method for determination of magnetic saturation (MS) of cemented carbides
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23369-2009 | English | 149 |
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Standard test method for determination of magnetic saturation (MS) of cemented carbides
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GB/T 23369-2009
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Basic data | Standard ID | GB/T 23369-2009 (GB/T23369-2009) | | Description (Translated English) | Standard test method for determination of magnetic saturation (MS) of cemented carbides | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H16 | | Classification of International Standard | 77.160 | | Word Count Estimation | 5,524 | | Date of Issue | 2009-03-19 | | Date of Implementation | 2010-01-01 | | Adopted Standard | ASTM B886-2003, MOD | | Regulation (derived from) | National Standard Approval Announcement 2009 No.3 (Total No.143) | | 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 applies to magnetic saturation induction was determined by measuring the magnetic saturation carbide sintered powder materials and products. This standard does not raise safety issues related to the user prior to use shall establish appropriate safety and health practices. And determine their adaptation range. | GB/T 23369-2009: Standard test method for determination of magnetic saturation (MS) of cemented carbides
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Standard test method for determination of magnetic saturation (MS) of cemented carbides
ICS 77.160
H16
National Standards of People's Republic of China
Carbide magnetic saturation (MS) is measured
Standard Test Method
Posted 2009-03-19
2010-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts ASTMB886-2003 "Standard Test Method for Carbide magnetic saturation (MS) assay."
This standard has the following differences compared with ASTMB886-2003.
--- Increasing the normative references;
--- Made some modifications and textual format.
The standard proposed by China Nonferrous Metals Industry Association.
This standard Nonferrous Metals by the National Standardization Technical Committee.
This standard by Zhuzhou Cemented Carbide Group Co., Ltd. is responsible for drafting.
The main drafters of this standard. Luo Long, Zhang Weidong.
Carbide magnetic saturation (MS) is measured
Standard Test Method
1 Scope
This standard applies to magnetic saturation induction meter measuring magnetic saturation carbide powder material and sintering products.
This standard does not raise safety issues related to users prior to use shall establish appropriate safety and health practices and determine the
Adaptation range.
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 3500 PM term (GB/T 3500-2008, IDTISO 3252.1999)
ASTMA340 Symbols and definitions of terms related to the magnetic measurements
ASTME1316 Terminology for nondestructive testing
3 Terms and Definitions
GB/T 3500, ASTMA340, terms and definitions established ASTME1316 apply to this standard.
Principle 4
Stable test sample placed in a magnetic field, the magnetic field by the permanent magnet or DC coils. Sample in a magnetic field reaches saturation magnetization
State and converted into the total amount of the binder phase sample magnetizable induction current is generated in the induction coil measuring device. The induced currents
And is proportional to the percentage of the total amount of the binder phase in the test sample magnetizable, can be calculated by measuring the current induced magnetic saturation of the sample.
5 Uses
5.1 standard is applicable to sintered carbide NDT magnetization binder phase can also be used to indirectly measure the carbon content in the sample.
5.2 standard can measure the relative content of the magnetic sample binder phase of cobalt, nickel, iron, etc. by magnetic saturation measurement to determine the products
An amount ranging from cobalt, nickel, iron and other magnetic substances.
5.3 Determination of magnetic saturation can be used to determine the quality of the powder material.
6 Factors
6.1 and can not be directly measured absolute magnetic saturation of the sample, measuring the magnetic saturation of standard reference material from relatively.
6.2 magnetic saturation measurement is a non-destructive measurement of the whole, it is the measured results of the entire test sample average, it can not be used to infer the magnetic
Availability substance corresponding distribution.
6.3 magnetic saturation measuring the size and shape of the specimen by the impact, especially on form factor.
6.4 small specimens or magnetic binder phase concentration is relatively low sample may not measure its magnetic saturation, which is due to the low concentration so that the magnetic binder phase
Was instrumental induction coil area can not be detected induced current.
7 Device
7.1 equipment to make the sample in a magnetic field to reach saturation magnetization and the induced magnetic field.
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