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    METHOD FOR THERMOCHEMICALLY TREATING A PART WHILE MASKING A PORTION AND CORRESPONDING MASK
    2.
    发明申请
    METHOD FOR THERMOCHEMICALLY TREATING A PART WHILE MASKING A PORTION AND CORRESPONDING MASK 有权
    热屏蔽处理部件的方法及其相关掩模

    公开(公告)号：US20150251218A1

    公开(公告)日：2015-09-10

    申请号：US14438851

    申请日：2013-10-31

    申请人： AREVA NP ,  NITRUVID

    发明人： Bernard Delmas ,  Dominique Hertz ,  Jean-Paul Lebrun ,  Bernard Lis ,  Laurent Poirier

    IPC分类号： B05D5/00 ,  B05C21/00 ,  C23C16/513 ,  C23C16/04 ,  C23C16/22 ,  B05D1/32 ,  B05D7/14

    CPC分类号： B05D5/00 ,  B05C21/005 ,  B05D1/32 ,  B05D7/14 ,  B05D7/146 ,  C23C8/04 ,  C23C16/042 ,  C23C16/22 ,  C23C16/513

    摘要： A method for thermochemically treating a part while masking a portion and corresponding mask are provided. The method includes the steps of providing a mask comprising a body with a seat, at least a deformable sealing washer located in the seat, and a tightening bushing, the body having a cavity, placing a first portion of the part in the cavity, a second portion of the part being located in a passage in the sealing washer, and a third portion of the part being located outside the mask, moving the tightening bushing to its tightened position so that the sealing washer is deformed and applied against the second portion of the part, and applying a thermochemical treatment to the third portion of the part.

    摘要翻译： 提供了一种在掩蔽部分和相应的掩模的同时对部件进行热化学处理的方法。 该方法包括以下步骤：提供包括主体的掩模，所述主体具有座，至少位于所述座中的可变形的密封垫圈和紧固衬套，所述主体具有空腔，将所述部件的第一部分放置在所述腔中， 部分的第二部分位于密封垫圈中的通道中，并且部件的第三部分位于掩模的外部，将紧固衬套移动到其紧固位置，使得密封垫圈变形并施加在第二部分 部分，并对部件的第三部分进行热化学处理。

    METHOD FOR PRODUCING, FROM A PREFORM MADE OF AUSTENITIC STAINLESS STEEL WITH A LOW CARBON CONTENT, A WEAR-RESISTANT AND CORROSION-RESISTANT CLADDING FOR A NUCLEAR REACTOR, CORRESPONDING CLADDING AND CORRESPONDING CONTROL CLUSTER
    3.
    发明申请
    METHOD FOR PRODUCING, FROM A PREFORM MADE OF AUSTENITIC STAINLESS STEEL WITH A LOW CARBON CONTENT, A WEAR-RESISTANT AND CORROSION-RESISTANT CLADDING FOR A NUCLEAR REACTOR, CORRESPONDING CLADDING AND CORRESPONDING CONTROL CLUSTER 有权
    用于生产具有低碳含量的奥氏体不锈钢的预制件的制造方法，用于核反应堆的耐磨性和耐腐蚀性粘合剂，相应的粘合剂和相应的控制聚集体

    公开(公告)号：US20140254736A1

    公开(公告)日：2014-09-11

    申请号：US14348378

    申请日：2012-09-28

    申请人： AREVA NP

    发明人： Dominique Hertz

    IPC分类号： C21D1/72 ,  G21C7/06 ,  C23C8/22 ,  C23C8/38 ,  C23C8/32

    CPC分类号： C21D1/72 ,  C21D6/004 ,  C21D8/10 ,  C21D8/105 ,  C21D9/08 ,  C21D9/085 ,  C21D9/14 ,  C23C8/02 ,  C23C8/22 ,  C23C8/32 ,  C23C8/38 ,  C23C8/80 ,  G21C7/06 ,  G21C7/10 ,  G21C21/18 ,  Y02E30/39

    摘要： A method for producing a wear-resistant and corrosion-resistant stainless steel part for a nuclear reactor is provided. This method includes steps of providing a tubular blank in austenitic stainless steel whose carbon content is equal to or lower than 0.03% by weight; shaping the blank; finishing the blank to form the cladding; hardening the outer surface of the cladding by diffusing one or more atomic species; the blank, before the providing step or during the shaping or finishing step, being subjected to at least one solution annealing with sub-steps of: heating the blank to a sufficient temperature and for a sufficient time to solubilise any precipitates present; quenching the blank at a rate allowing the austenitic structure to be maintained in a metastable state at ambient temperature and free of precipitates.

    摘要翻译： 提供了一种用于生产用于核反应堆的耐磨和耐腐蚀的不锈钢部件的方法。 该方法包括在碳含量等于或低于0.03重量％的奥氏体不锈钢中提供管状坯料的步骤; 塑造空白 整理坯料以形成包层; 通过扩散一种或多种原子物质来硬化包层的外表面; 坯料在提供步骤之前或在整形或精加工步骤期间，进行至少一个以下子步骤的固溶退火：将坯料加热至足够的时间以溶解存在的任何沉淀物; 以允许奥氏体结构在环境温度下保持亚稳态且没有沉淀物的速率淬火坯料。