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GB/T 42665-2023: Test method for spherical indentation strength of porous ceramics
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42665-2023 | English | 189 |
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Test method for spherical indentation strength of porous ceramics
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GB/T 42665-2023
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Basic data | Standard ID | GB/T 42665-2023 (GB/T42665-2023) | | Description (Translated English) | Test method for spherical indentation strength of porous ceramics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 81.060.30 | | Word Count Estimation | 10,195 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42665-2023: Test method for spherical indentation strength of porous ceramics---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.
ICS 81.060.30
CCSQ32
National Standards of People's Republic of China
Test method for spherical indentation strength of porous ceramics
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is modified to adopt ISO 17170.2015 "Fine Ceramics (Advanced Ceramics, Advanced Technology Ceramics) Spherical Indentation Test of Porous Ceramics"
method".
Compared with ISO 17170.2015, this document has many structural adjustments. Comparison list of structure number changes between the two files
See Appendix A.
Compared with ISO 17170.2015, there are many technical differences between this document and the clauses involved in the outer margin of the page.
Single lines (︱) are marked. A list of these technical differences and their causes is provided in Appendix B.
The following editorial changes have been made to this document.
---In order to coordinate with the existing standards, the name of the standard is changed to "Test Method for Spherical Indentation Strength of Porous Ceramics";
---Change the description of the application fields of porous ceramics in 3.1 from text to note;
---Change the title of Chapter 7 from "Test Methods" to "Test Procedures", and modify the corresponding subtitle names;
---Added Appendix A (informative) "List of comparison of structure numbers between this document and ISO 17170.2015";
---Added Appendix B (informative) "List of technical differences between this document and ISO 17170.2015 and their reasons".
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Industrial Ceramics Standardization Technical Committee (SAC/TC194).
This document was drafted by. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shandong Industrial Ceramics Research and Design Institute Co., Ltd., Shenzhen Zhuoli
Energy Technology Co., Ltd., Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Sanxiang New Materials Co., Ltd., Institute of Metal Research, Chinese Academy of Sciences, Chao
Zhou Sanhuan (Group) Co., Ltd., Guangdong Academy of Sciences New Materials Research Institute, Guozhuang New Materials Technology (Jiangsu) Co., Ltd., Xi'an Xinyao
Ceramic Composite Materials Co., Ltd., Wuhan University of Technology, Beijing Zhongtian Standardization Technology Research Institute Co., Ltd.
The main drafters of this document. Wang Xingang, Wang Xiaofei, Chen Changzhu, Sun Yaoming, Wang Ming, Cui Shuang, Wu Wei, Wu Yongqing, Jiang Danyu, Zhang Yongsheng,
Chu Xue Ji, Wang Jingyang, Qiu Jihua, Zhang Xiaofeng, Deng Tengfei, Li Jianzhang, Sun Huajun, Fan Hengzhong, Ye Yun, Ma Xiaomin, Gao Shuhui, Zhao Yingying.
Test method for spherical indentation strength of porous ceramics
1 Scope
This document specifies the principles, samples, instruments, test procedures, test result processing and testing methods for porous ceramic spherical indentation strength.
Report.
This document is applicable to the determination of the spherical indentation strength of porous ceramics in room temperature atmospheric environment.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 308.1 Rolling bearing balls Part 1.Steel balls (GB/T 308.1-2013, ISO 3290-1.2008, NEQ)
GB/T 1182 Product Geometric Specification (GPS) Geometric Tolerance Shape, Direction, Position and Runout Tolerance Marking
(GB/T 1182-2018, ISO 1101.2017, MOD)
GB/T 3505 Product Geometric Specification (GPS) Surface Structure Profile Method Terms, Definitions and Surface Structure Parameters
(GB/T 3505-2009, ISO 4287.1997, IDT)
GB/T 8170 Numerical rounding rules and representation and determination of limit values
GB/T 16825.1 Inspection and calibration of static uniaxial testing machines for metallic materials Part 1.Tensile and/or compression testing machines
Inspection and calibration of force systems (GB/T 16825.1-2022, ISO 7500-1.2018, IDT)
GB/T 21389 Verniers, band meters and digital calipers
GB/T 34484.1 Heat-treated steel Part 1.Non-alloy steel (GB/T 34484.1-2017, ISO 683-1.2016, MOD)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Porous ceramicsporousceramics
Ceramics with a porosity of 30%~60% and a pore diameter of 1μm~100μm.
Note. Porous ceramics are used in fields such as filtration, catalyst carriers, humidity sensors or molecular sieves.
3.2
spherical indenter sphericalindenter
A rigid sphere that applies a compressive load to the sample.
3.3
The maximum load measured from the beginning of the test to the fracture failure of the sample under the load exerted by the spherical indenter.
4 Principles
Under the action of a spherical indenter applying a compressive load at a constant displacement rate, the sample is compressed and fractured into two or more fragments or powders.
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