Back
Knowledge

What are the common torsion test applications and standards?

Abstract: 本文介绍了扭转测试的基本原理、应用及相关标准。扭转测试通过对材料或测试部件施加扭转力,测量其在扭转过程中表现出的机械性能。试验中,扭转力通过固定一端并在另一端施加扭矩使样品绕轴线旋转,或两端相反方向旋转。测试的主要目的是评估材料的剪切弹性模量、屈服剪切强度、扭转疲劳寿命、延展性、极限剪切强度和剪切断裂模量。常见的应用包括塑料、接骨螺钉、电线、工程复合材料和钢丝的扭转测试。文章还列出了相关标准,如ASTM A938(电线扭力测试方法)、ASTM D1043(塑料的刚度特性测试)和ISO 7800(线材的简单扭转试验),为扭转测试提供了规范和指导。

Torque test

Torsion testing is the application of a specified force to twist a material or test part to a specific degree or until the material fails in torsion. Torsional force for torsion testing is applied to a specimen by securing one end so that it cannot move or rotate, and applying torque at the other end to rotate the specimen about its axis. Rotational torque can also be applied to both ends of the sample, but the ends need to be rotated in opposite directions.

The purpose of the torsion test is to determine the mechanical properties exhibited by the material or sample when it is torsion or subjected to torsion force, mainly shear elastic modulus, yield shear strength and torsional fatigue life, ductility, ultimate shear strength and shear modulus of rupture.

What are some common torsion testing applications?

  • Plastic Torque Testing | Tensile Testing Machines

  • Torque Testing of Bone Screws | Tensile Testing Machines

  • Wire Torsion Test | Tensile Testing Machine

  • Torque Testing of Engineering Composites | Tensile Testing Machines

  • Static Axial Load Torsion Test | Tensile Testing Machine

  • Steel wire torsional strength test | Tensile testing machine

What are the common torsion test standards?

  • ASTM A938 Test Method for Torsion of Electric Wire

  • ASTM D1043 Stiffness Properties of Plastics as a Function of Temperature, by Torsion Test

  • ASTM D5279 Test Method for Plastics: Dynamic Mechanical Properties: Torsion

  • ASTM E2207 Practice for strain-controlled axial torsional fatigue testing of thin-walled tubular specimens

  • ASTM F383 Standard Practice for Static Bending and Torsion Testing of Intramedullary Rods

  • ASTM F543 Standard Specification and Test Methods for Metallic Medical Bone Screws

  • ISO 7800 Metallic materials — Wire rods — Simple torsion test

Products required
Relevant knowledge
Guess you like it