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近几年来,高端钢材生产的发展促进了钢坯低倍检测技术的不断提高与创新,这些创新涉及了众多的领域,包括试样加工方法与检测方法、试样加工装备与检测装备、检测技术与检测理念等。将这些创新简要地梳理和总结为4个新技术(钢坯镜面加工、钢坯夹杂物检测、钢坯显微缺陷检测和钢坯枝晶分析)、2个新装备(重型超精密镜面铣磨一体化数控机床和大型金属缺陷综合检测仪)和1个新突破(金相检测前移到钢坯)。对这些新技术、新装备做了简要介绍,对新技术突破的发展做了简要展望。
In recent years, the development of high-end steel production has promoted the continuous improvement and innovation of low-magnification billet detection technology. These innovations involve many fields, including sample processing methods and testing methods, sample processing equipment and testing equipment, testing technology and Detection concept. These innovations are briefly summarized and summarized into four new technologies (mirror processing of billet, detection of billet inclusions, detection of billet microscopic defects and analysis of billet dendrites), two new equipment (heavy-duty ultra-precision mirror milling integrated numerical control machine tool And large metal defect comprehensive detector) and a new breakthrough (metallographic detection before moving to the billet). A brief introduction of these new technologies and new equipment was made, and a brief outlook on the development of new technological breakthroughs was made.