T/NXCL 026-2023 Active Group standards

T/NXCL 026-2023 Method for Detecting the β Phase in Beryllium Bronze

T/NXCL 026-2023

Publish Date: 2023-02-28 Implement Date: 2023-02-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NXCL 026-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Copper and copper alloys

Publish Date: 2023-02-28

Implement Date: 2023-02-28

Scope

Main technical content: Beryllium bronze is a beryllium-based copper alloy with high strength, high hardness, high elastic limit, and high fatigue limit. It also features high wear resistance, corrosion resistance, non-magnetism, and no impact sparks. It is widely used in manufacturing, especially in electronic devices, the oil industry, aviation, and defense industries, where it is irreplaceable. During the heat treatment process of beryllium bronze, the β phase is generated, and its state and distribution have a significant impact on the fatigue strength and elastic stability of the material. Currently, the standards for grading the β phase of beryllium bronze involve aerospace standards, aviation standards, and other specifications, which can easily lead to discrepancies. Additionally, the existing grading methods for the β phase lack size detection and are not accurate enough to meet the development needs of customer testing requirements. Therefore, it is necessary to develop a highly applicable detection method for the β phase of beryllium bronze to reduce discrepancies, improve the accuracy of evaluation, standardize the detection of the β phase of beryllium bronze, meet the needs of industry development, and provide consistent research and judgment data for the production and quality control of beryllium bronze, thereby improving the technical level of beryllium bronze production and research and development in China, especially in the aviation and defense industries. This document specifies the sample preparation, detection, and evaluation methods for the β phase in beryllium bronze samples. This document is applicable to the inspection of the β phase in beryllium bronze products using a metallographic microscope.