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- The initiation and propagation of fetigue cracks from shot peened and unpeened surfaces in a medium steel were Studied through experiments. 通过对中碳钢在非喷丸与喷丸二情形下表面疲劳短裂纹的萌生与扩展试验,研究了喷丸对中碳钢表面疲劳短裂纹萌生与扩展的影响。
- Shot peen forming and laser peen forming,two peen forming technologies,have been used to form sheet metals which have gently shapes. 机械喷丸成形和激光喷丸成形是两种喷丸成形技术,用于成形外形变化平缓的蒙皮类钣金零件。
- The feasibility of improving K417 fatigue life by surface shot peening and recrystallization was studied. 研究了采用喷丸再结晶方法提高K417合金疲劳寿命的可行性。
- The surface layer of shot peening strengthening was analyzed with OM, SEM and TEM. 采用金相显微镜、扫描电镜和透射电镜分析材料喷丸强化层。
- The microhardness and surface roughness of specimens before and after shot peening was studied and analysed. 分析研究了喷丸强化处理前后的显微硬度和表面粗糙度。
- The surface nanocrystallization is approached on a commercial pure titanium by using high energy shot peening(HESP) technique. 用高能振动喷丸法对工业纯钛进行了表面纳米化的研究。
- By improving and optimizing some parameters of shot peening technology,we can acquire desired residual compressive stress and its depth below surface. 通过控制喷丸工艺参数,寻求理想的残余压应力值和残余压应力层深度。
- Its zirconia grains are used widely used in impact surface treatment for molds cleaning, metal parts finishing, scale removal, shot peening etc. 氧化锆陶瓷弹丸广泛应用于各种表面处理工序,如模具清洗,金属部件的表面整理,除锈,喷丸强化等。
- The tests show that the strengthening shot peening treatment for carburized gear can improve gear surface’s fatigue strength obviously. 试验表明,齿轮渗碳后再按最佳工艺进行强化喷丸后,可显著提高齿轮表面的疲劳强度。
- Three methods of surface self-nanocrystallization for iron and steel are ultrasonic shot peening, high energy shot peening and surface mechanical attrition treatment. 实现钢铁材料表面自身纳米晶化的主要方法有超声喷丸、高能喷丸和机械研磨处理等。
- The progress in surface nanocrystallization of material has briefly been illustrated according to the up-to-date investigation on shot peening technology. 并根据喷丸技术的最新研究动态,简要叙述了喷丸技术用于实现材料表面纳米化的进展。
- One of environmental protection of sandblasting, shot peening oriented. 其中以环保型喷砂、喷丸为主。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- The result indicates that the improvement of the fatigue limit is due to the nano-crystallization and severe plastic deformation in the surface layer induced by high-energy shot peening. 结果表明,高能喷丸后其表层组织发生严重塑性变形并实现组织纳米化,是提高弯曲疲劳寿命的主要原因。
- The surface residual stresses of tank track pins after being strengthened by means of rolling,shot peening or rolling plus shot peening were measured by X-ray stress measurer,respectively. 用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
- In the paper the research of the influence of surface treatments such as shot peening, roller burnishing, anodizing, and laser melting on fatigue properties of magnesium alloys is summarized. 对近年来有关表面处理镁合金疲劳性能的研究进行了总结,归纳了喷丸处理、滚压强化、阳极氧化、激光熔融等表面处理方法对镁合金疲劳性能的影响及机理。
- Keywords Shot peen forming;Banded shot peen;Wing skin panel; 喷丸成形;条带喷丸;机翼壁板;
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- And when shot peening treater, the fatigue strength of the chian will improve 12.3%. 经喷丸处理链条疲劳强度可提高12.;3%25。
- The fine structurec hange in the materials after shot peening and extrusion has been investigated by means of TEM. 用透射电镜对超高强度钢中的喷丸利挤压强化层的精细组织进行了研究。