micro-hardness相关论文
为了研究激光冲击强化对钛合金性能的影响，采用波长1064 nm、脉冲能量0～6 J、脉冲宽度6～14 ns的YAG脉冲激光器对TC4钛合金试样表面进......
利用3 kW光纤同轴激光熔覆设备将Fe-Cr-Mo-Si合金粉末熔覆到Q235钢表面，制备出了耐磨的铁基合金熔覆层，通过金相显微镜、维氏硬度计......
采用预置粉末的方法, 在700 MPa钢板表面利用激光熔覆技术制备了含氮Fe基非晶复合涂层。通过分析扫描速度及功率对熔覆层显微硬度......
为提高铸铁材料表面磨损性能，采用JMG-GY-300D脉冲激光器在两种介质(空气和水)中对QT500球墨铸铁表面进行冲击强化处理。对强化区的......
研究了激光冲击强化前后TiAl合金显微硬度的分布变化情况，利用波长为1064 nm、脉宽为14 ns，能量范围为2～6 J的Nd:YAG激光器对合金进行......
目的 报告人体掌骨的显微硬度,对比分析不同解剖部位之间的硬度值,探索人体掌骨显微硬度的分布特征.方法 取3具新鲜健康冰冻尸体的......
为提高27SiMn钢表面的耐磨性、耐蚀性等性能，在27SiMn钢上熔覆Fe302以及与La2O3、B4C的复合粉末。利用XJL-02A金相显微镜等设备观察......
Effect of t8/5 on the microstructure and properties of the HAZ of ASME SA213-T92 steel by thermal si
The relationship between the t8/5 and micro-hardness, impact toughness in the heat affected zone (HAZ) of ASME SA213-T92......
Effect of friction stir processing on mechanical properties and heat transfer of TIG welded joint of
Tungsten inert gas (TIG) welding is the most commonly used joining process for aluminum alloy for AA6061 and AA7075 whic......
Evolution behavior of phase and performance in Ni-based coating layer based on high temperature ther
Effect of post-welding heat treatment on the microstructure and properties of BNi-2 brazing coating was analyzed.The pha......
采用CO2激光器在GH4169高温合金表面激光熔覆Ni60镍基合金。借助扫描电镜（SEM）、X射线衍射仪（XRD）、能谱仪（EDS）、显微硬度计、ML-100型......
以混合的Ti、V、Cr元素粉末为原料,采用CO_2激光器激光熔覆沉积Ti-20V-15Cr阻燃钛合金,并针对合金沉积层的显微组织、冶金质量以及......
采用氧乙炔喷涂方法,在镁合金表面喷涂Al涂层,并对喷涂后涂层进行热压处理。通过扫描电镜(SEM)、能谱仪(EDS)对热压后的涂层进行组......
Electrolytic deposition of super-smart composite coating of Zn-V2O5-NbO2 on low carbon steel for def
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
以亚微米级TiC和Cr_xC_y合金混合粉末为原料,采用激光合金化技术在球铁表面制备出耐磨、耐腐蚀、耐高温的合金化层.利用XRD、SEM、......
研究了时效温度、时间和冷变形后时效对Cu-Ni-Si-Cr-P合金微观组织和性能的影响。结果表明,合金经900℃固溶处理后,在500℃×2h时......
目的:探讨渗透树脂治疗人工脱矿乳牙釉质早期龋对其釉质显微硬度的影响。方法:选取5~7岁儿童因滞留拔除的无龋下颌乳中切牙21颗,制......
Laser shock processing (LSP) has been proposed as a new surface treatment for improving hardness,wear resistance and fat......
To study the effect of electrolytic concentration, bioactive ceramic films containing Ca and P on the surface of the Ti6......
Research on lamellar structure and micro-hardness of directionally solidified Sn-58Bi eutectic alloy
In this work,the Sn-58Bi(weight percent) eutectic alloy was directionally solidified at a constant temperature gradient(......
The influencing factors of surface alloying layer by evaporative pattern casting technology were investigated. A certain......
