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martensite
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马氏体
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详细解释：
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以下为句子列表：
英文: As for small diameter workpiece, martensite distribution can be obtained by immediately quenching.
中文: 对于直径较细的工件，轧后立即淬火几乎可得到全部马氏体。
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英文: Consequently martensite will form in the welds and heat affected zone (HAZ) requiring proper and precise PWHT procedures.
中文: 因此在焊接部位和热影响区域（HAZ）形成马氏体就需要正确的精密的PWHT工序。
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英文: It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heav
中文: 结果表明：在正常渗碳淬火工艺基础上再延长渗碳淬火1小时，齿轮渗碳层深度变化不大，但其齿根局部表面处有非马组织，且晶粒尺寸易产生异常长大现象，从而致使台架疲劳寿命明显下降。
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英文: Martensite formation is covered. The relationships between microstructure and strength, toughness, and ductility is presented in terms of the concepts developed throughout the course.
中文: 涵盖麻田散体相的形成。显微组织与强度、韧性及延性间的关系将以整个课程所学到的观念加以阐述。
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英文: The high wearing resistance of the samples after hydrocooling and air cooling was partially attributed to martensite transformation and work-hardening.
中文: 经水冷和空冷的试样具有高耐磨性的重要原因是其在磨损过程中诱发了马氏体相变，出现加工硬化现象。
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