Test method of impact toughness index of superabrasives
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摘要: GB/T 33144-2016《超硬磨料冲击韧性测定方法》国家标准于2016年10月13日由国家质量监督检验检疫总局和国家标准化管理委员会批准发布,2017年5月1日起实施。该标准规定了粒度号为20/25~325/400的人造金刚石磨料和粒度号为30/40~325/400的立方氮化硼磨料的冲击韧性(TI)和热冲击韧性(TTI)测定方法。本文对该标准的技术内容进行了详细阐述,以期标准使用者能更好地理解和贯彻执行该标准。
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关键词:
- 国家标准 /
- 超硬磨料 /
- 冲击韧性(TI) /
- 热冲击韧性(TTI) /
- 测定方法
Abstract: The national standard, GB/T 33144-2016 Superabrasives-Test method of impact toughness index, has been approved and issued by General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C and Standardization Administration of China in October 13, 2016.The date of this standard implementation is May 1, 2017.The standard specifies a test method of impact toughness index (TI) and thermal impact toughness index (TTI) of synthetic diamond for grit designation 20/25 to 325/400 and cubic boron nitride for grit designation 30/40 to 325/400.In this paper, we elaborate the technical contents of this standard in detail, so that the users can understand and carry out the standard better.
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