GB/T 31310-2014 Active National standards

GB/T 31310-2014 Metallic material—Determination of residual stress—Hole drilling strain-gauge method

Publish Date: 2014-12-05 Implement Date: 2015-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31310-2014

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: 2014-12-05

Implement Date: 2015-09-01

Pages: 41 pages

Scope

This standard specifies the test overview, measurement equipment, measurement steps, calibration of stress calculation constants, and correction of measurement errors for determining the near-surface residual stress of isotropic linear elastic materials in metal materials using the drilling method.
The drilling method is suitable for measuring stress states with a small stress gradient within the surface of metal materials. In this state, the residual stress may remain constant along the depth direction (uniform stress), or it may vary significantly along the depth direction (non-uniform stress). Since the drilling method can only measure the plane residual stress near the surface of the material, the drilling method can only determine the magnitude of the local residual stress within the boundaries of the drilled hole.