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GB/T 42603.2-2023: Medium temperature pattern material for investment casting - Part 2: Test method of application performance
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Medium temperature pattern material for investment casting - Part 2: Test method of application performance
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GB/T 42603.2-2023
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Basic data | Standard ID | GB/T 42603.2-2023 (GB/T42603.2-2023) | | Description (Translated English) | Medium temperature pattern material for investment casting - Part 2: Test method of application performance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J31 | | Classification of International Standard | 71.040.50 | | Word Count Estimation | 12,198 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42603.2-2023: Medium temperature pattern material for investment casting - Part 2: Test method of application performance
---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 71:040:50
CCSJ31
National Standards of People's Republic of China
Moderate Temperature Mold Material for Investment Casting
Part 2: Use of performance test methods
Released on 2023-05-23
2023-05-23 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Bending strength test method 1
5 Surface hardness test method 1
6 Thermal deformation and thermal stability test method 1
7 Dehydration test method 1
8 Surface sinking or shrinkage test method 3
9 Creep resistance test method 4
10 Test report 6
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document is the second part of GB/T 42603 "Mold Materials for Investment Casting at Medium Temperature": GB/T 42603 has issued the following parts:
--- Part 1: Physical property test methods;
--- Part 2: Use performance test methods:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Foundry Standardization Technical Committee (SAC/TC54):
This document is drafted by: Suzhou Taier Aviation Materials Co:, Ltd:, Dongying Jiayang Precision Metal Co:, Ltd:, Zhejiang Suijin Special Casting Co:, Ltd:
Co:, Ltd:, Guizhou Anji Aviation Precision Casting Co:, Ltd:, Zhejiang Xinmiao Precision Casting Co:, Ltd:, Jiashan Jinyi Precision Casting Co:, Ltd:
Co:, Ltd:, Shenyang Foundry Research Institute Co:, Ltd:, Jiangsu Zhongchao Hangyu Precision Casting Technology Co:, Ltd:, Shanghai Jiaotong University, Jiashan Xinhai Precision Casting
Co:, Ltd:, Taiyuan Sangao Energy Development Co:, Ltd:, China Aviation Engine Co:, Ltd:, AVIC Heavy Machinery Co:, Ltd:, Dongfeng Jing
Precision Casting Co:, Ltd:, Fujian Weiman Power Technology Co:, Ltd:, Huizhou Xianglian Metal Products Co:, Ltd:, Guangdong Jinzhili Technology Co:, Ltd:
Division, Chongqing Kane Machinery Manufacturing Co:, Ltd:, Changsha Dicastal Technology Co:, Ltd:, Qingdao Henglin Industrial Group Co:, Ltd:, CITIC Daika
Card Co:, Ltd:
The main drafters of this document: Li Yi, Song Shanshan, Wei Zhiyu, Chen Yahui, Duan Jidong, Zhu Jiahui, Wang Donghong, Wu Guangpeng, Cao Jian, Zhang Yanbo,
Dong Yin, Ran Xing, Wang Guoxiang, Jiang Miao, Cai Jiwei, Wang Yadong, Chen Feizi, Zhang Jianxiong, Zhang Huichun, Fu Bin, Huang Runyu, Liu Xiaofu, Liu Shibing, Ma Bo,
Zhang Hengxue, Xu Dean, Liang Chaoyang, Xu Yong, Qu Xianjun, Liu Qinshuang, Hu Naizheng, Liu Jun:
Introduction
The establishment of the standards for the performance test methods of medium-temperature mold materials in investment casting is to establish a set of optimal performance testing regulations for the production of mold materials:
For the detection of the physical properties of medium temperature mold materials for investment casting, it is required from the aspects of test principle, test equipment, test procedures, test data processing, etc:
Notes provide guidance:
GB/T 42603 "Medium Temperature Mold Materials for Investment Casting" aims to establish that the physical properties and performance testing of medium temperature mold materials should follow
The principles and related rules are proposed to be composed of two parts:
--- Part 1: Physical properties test methods: The purpose is to establish the general requirements and tests applicable to the physical properties of medium temperature mold materials:
test method:
--- Part 2: Use performance test methods: The purpose is to establish the general requirements and tests applicable to various performances of medium temperature mold materials:
test method:
GB/T 42603 "Medium Temperature Mold Materials for Investment Casting" clarifies the test methods for the physical properties and performance of medium temperature mold materials through two parts:
Law: By establishing the test principles, test equipment, test procedures and treatment of test results for various properties of medium-temperature mold materials, the testers can
Operate more clearly and accurately, so as to strictly inspect the quality of mold materials, and only by controlling the quality of important auxiliary materials for casting can manufacturing
To produce high-quality castings, to make effective use of the technical guidance of this document, to provide a basis for improving casting technology and processes, and to promote investment casting
Control and improve the quality of manufactured products, and provide technical support for the industrial upgrading of the equipment manufacturing industry:
Moderate Temperature Mold Material for Investment Casting
Part 2: Use of performance test methods
1 Scope
This document specifies the flexural strength, surface hardness, thermal deformation and thermal stability, dehydration, and surface depression of medium-temperature molding materials for investment casting
Or shrinkage, creep resistance and other performance test methods:
This document is applicable to the performance test of medium temperature mold materials for investment casting:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 6682-2008 Analytical laboratory water specifications and test methods
GB/T 14235:2 Low-temperature molding materials for investment casting Part 2: Test methods for serviceability
GB/T 15894-2008 Chemical Reagent Petroleum Ether
3 Terms and Definitions
This document does not have terms and definitions that need to be defined:
4 Bending strength test method
The determination of flexural strength shall be carried out according to the provisions of GB/T 14235:2:
5 Surface hardness test method
The determination of surface hardness shall be carried out in accordance with the provisions of GB/T 14235:2:
6 Thermal deformation and thermal stability test methods
The determination of thermal deformation and thermal stability shall be carried out in accordance with the provisions of GB/T 14235:2:
7 Dehydration test method
7:1 Test principle
Put the sample into a retort, heat and melt, add a certain amount of distilled water, and then add a water-immiscible solvent to heat and reflux together to dissolve
The agent can carry the water out of the sample: Timed when the solution starts to boil, the condensed solvent and water are separated in the receiver, and the water
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