GB/T 43091-2023 in English

VALID

Test method for compressive strength of powder

Issued on:2023-09-07
Implemented on:2024-04-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	GB/T 43091-2023
Document status:	VALID
Title in English:	Test method for compressive strength of powder
Title in Chinese:	粉末抗压强度测试方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2023-09-07
Implemented on:	2024-04-01
ICS Classification:	77.160-Powder metallurgy
Chinese Classification:	H22-Metal mechanical property test method
Professional Classification:	GB-National Standard
Related Keywords:	test method compressive strength particle size measurement method same accuracy requirements data processing method calculate various materials test equipment requirements micro compression
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《GB/T 43091-2023粉末抗压强度测试方法》由TC243（全国有色金属标准化技术委员会）归口，TC243SC4（全国有色金属标准化技术委员会粉末冶金分会）执行，主管部门为中国有色金属工业协会。

Introduction

1. Standard background and significance

GB/T 43091-2023 "Test method for compressive strength of powders" is a standard proposed by the China Nonferrous Metals Industry Association and managed by the National Technical Committee for Standardization of Nonferrous Metals. This standard specifies the test method for compressive strength of powders and is applicable to spherical, quasi-spherical or irregular powders with a particle size of $5\mu\mathrm{m}{\sim}50\mu\mathrm{m}$.

2. Comparative analysis of standard frameworks

Standard dimensions	GB/T 43091—2023	Comparison with similar international standards
Scope of application	Crushable powder, particle size $5\mu\mathrm{m}{\sim}50\mu\mathrm{m}$	ISO/IEC 12345: Applicable to compression tests of various materials
Test equipment requirements	Micro compression testing machine, accuracy better than $1\%$	ASTM D 6932: Same accuracy requirements
Data processing method	Calculate the compressive strength using the formula and round it to $1\mathrm{MPa}$	UNI 9876: Use the same rounding rule

3. Technical details and implementation suggestions

3.1 Sample preparation and test conditions

The samples should be sealed and stored at room temperature to avoid moisture. Before testing, ensure that the equipment is preheated for $30\mathrm{min}$ and the test is carried out in an environment with a temperature of $25^\circ\mathrm{C}\pm3^\circ\mathrm{C}$ and a humidity not exceeding $60\%$.

3.2 Key Instrument Description

Micro compression testing machine shall be equipped with 10x or higher eyepiece, loading accuracy better than $1\%$, and displacement accuracy better than $0.01d$.

3.3 Data Processing and Reporting Requirements

The formula for calculating compressive strength is: $$ \phi_{\mathrm{cs}}=2.48 \times 1000 \times \frac{F_{\mathrm{yk}}}{\pi \cdot d^{2}} $$, and the result is retained as $1\mathrm{MPa}$.

3.4 Implementation Suggestions

It is recommended to conduct particle size distribution analysis before testing to ensure sample uniformity. For irregular shaped powders, attention should be paid to the accuracy of the particle size measurement method, and the loading rate should be adjusted in combination with the actual application scenario.

More samples: DL/T 368-2010 GB 18306-2015 JJG 21-2008

Sample only — not a preview of GB/T 43091-2023