V2EX bend test

Bend Test

定义 Definition

弯曲试验;弯折测试:一种材料/工件的力学测试方法,通过将试样施加弯曲变形(到规定角度、半径或位移),观察其抗弯性能、延性以及是否出现裂纹、断裂或分层等缺陷。常用于金属板材、焊接接头、管材等的质量检验。(也常称 bending test / flexural test,具体做法依标准而定。)

发音 Pronunciation (IPA)

/bnd tst/

例句 Examples

The lab performed a bend test on the steel rod.
实验室对这根钢棒进行了弯曲试验。

After welding, each joint must pass a bend test to confirm there are no cracks or lack of fusion.
焊接后,每个接头都必须通过弯曲试验,以确认没有裂纹或未熔合等缺陷。

词源 Etymology

bend 来自古英语 bendan,意为“使弯曲、弯折”;test 来自拉丁语 testum(原指“陶罐/坩埚”,引申为“检验”),经法语演变进入英语。合起来 bend test 字面即“通过弯曲来进行的检验”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • ASTM E290: Standard Test Methods for Bend Testing of Material for Ductility(ASTM 国际标准)
  • ASM Handbook, Volume 8: Mechanical Testing and Evaluation(ASM 手册)
  • Mechanical Metallurgy(George E. Dieter,经典材料力学/冶金教材,涉及弯曲与相关测试)
  • Welding: Principles and Applications(常见焊接教材,介绍焊接接头弯曲试验等检验方法)
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