GB/T 38769-2020 Active National standards

GB/T 38769-2020 Metallic materials—Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces

GB/T 38769-2020 Metallic materials—Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces

Publish Date: 2020-04-28 Implement Date: 2020-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 38769-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \n Test methods for the mechanical properties of metals

ICS Name: Mechanical testing of metal materials

Publish Date: 2020-04-28

Implement Date: 2020-11-01

Pages: 34 pages

Scope

This standard specifies the principles, specimens, testing machines, test procedures, measurements, calculation of fracture mechanics parameters, and test reports for instrumented impact testing of pre-cracked Charpy specimens of metal materials using fracture mechanics methods to evaluate their fracture toughness.
This standard is applicable to the determination of impact fracture toughness of pre-cracked Charpy specimens of metal materials.

Development Information

Word Count: 64 Thousand words Pages: 34 pages

Referenced Standards

GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 3808-2002 Verification of pendulum-type impact testing machines(ISO 148-2:1998,Metallic materials—Charpy pendulum impact test—Part 2:Verification of test machines, MOD) GB/T 3808-2018 Verification of pendulum-type impact testing machines GB/T 19748-2005 Steel—Charpy V-notch pendulum impact test—Instrumented test method GB/T 19748-2019 Metallic materials—Charpy V-notch pendulum impact test—Instrumented test method GB/T 21143-2007 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 21143-2014 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 30069.2-2016 Metallic materials—Tensile testing at high strain rates—Part 2:Servo-hydraulic and other test systems GB/T 21143-2025 Metallic materials—Unified method of test for determination of quasistatic fracture toughness

Adopt standards

ISO 26843:2015

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