hardness相关论文
目的:探讨渗透树脂对漂白后牙釉质表面结构、显微硬度及颜色的影响，为渗透树脂的临床应用提供参考。方法:选择128颗因正畸需要而拔......
选择性激光烧结(SLS)是增材制造技术中的一种, 在聚酰胺2200(PA2200)的SLS成形过程中, 大量的粉末没有被烧结, 这部分未烧结粉末的......
为了研究激光对油气管道外防腐层剥离的可行性,以及漆层清除对基体性能的影响,采用短脉冲激光器对X65管线钢上的环氧树脂防腐层进......
采用Nd∶YAG激光器开展X65管线钢激光深熔焊接实验,通过光学显微镜、扫描电镜、硬度仪,观察焊缝形貌,表征焊缝区域的微观组织,测量......
为了突破新型动力蠕墨铸铁本体材料不耐磨的技术瓶颈,研究蠕墨铸铁表面激光熔覆合金涂层后的微观组织和力学性能。在RuT300表面激......
轧辊作为轧制过程中金属变形的直接工具，其质量和使用寿命至关重要。同时轧辊也是冶金企业的主要消耗部件，在轧钢生产成本中占很重的......
整体式阀门阀座是超（超）临界火电机组中的关键重要部件。实现阀门密封面的现场修复是火电装备制造领域的研究热点之一。本文针对火电......
为研究18Ni300模具钢选区激光熔化成形过程中多目标最优工艺问题,设计了以激光功率、扫描速度、扫描间距、铺粉厚度为工艺参数,以......
为提高手机显示屏的耐摩擦、防划伤能力,降低显示屏破碎的风险,研制了在可见光波段的硬质增透膜。通过逐步提高设计中SixNy膜层厚......
采用了同轴送粉式激光熔覆技术对ZTC4钛合金板材上的圆孔形缺陷进行修复,研究了多次激光修复对ZTC4钛合金组织、热影响区尺寸及修......
选用珠光体耐热合金钢12Cr1MoV作为研究对象，通过不同的热处理过程制备了金相组织为珠光体 铁素体、板条状回火马氏体 少量残余奥氏......
利用离子辅助电子束双源共蒸发工艺方法, 制备了SiO2掺杂含量分别为0、13%、20%、30%、40%和100%的六组HfO2-SiO2混合膜。采用纳米......
采用连续半导体激光器在Q235钢表面制备了Ni-Cr-Mo合金涂层,在不同脉冲电流处理时间下对涂层进行了辅助热处理,提高了涂层的质量及......
目的探讨年龄对人增生性瘢痕硬度和成纤维细胞（Fb）纤维化表型的影响及其可能的分子机制。方法采用实验研究方法。收集2020年1—6月解......
[Objective]To study the tabletting technology of isoflavone antialcoholism tablets from RADIX PUERARIAE and its properti......
CrN coated steels assisted with a nano Cr interlayer were investigated. The Cr nano-interlayers were prepared by sputter......
铬在铸铁中有三个主要用途:生成碳化物,使之具有耐腐蚀性,使组织保持稳定以便于高温使用。通常加入少量的铬,以稳定灰铸铁中的珠光......
Tantalum and copper layers were deposited on a thermally oxidized Si substrate in a magnetron sputtering process.Nanoind......
The machine-leing approach was investigated to predict the mechanical properties of Cu-Al alloys manufactured using the ......
The influence of temperature and hardness level on the cyclic behavior of 55NiCrMoV7 steel, and the microstructure varia......
Influence of post-weld heat treatment on the microstructure and hardness of laser weld seams on hot-
The transformation induced plasticity (TRIP) steels effect occurs because of the martensitic transformation of retained ......
The microstructure, property and relation between them of Cu-15Ni-8Sn alloy are studied by means of TEM and the measurem......
采用渗硅反应烧结工艺制备了SiC/B4C复合材料,并研究了碳含量对复合材料的力学性能及微观结构的影响。结果表明,SiC/B4C复合材料的......
Diamond can be applied in high technology and future industry areas due to its high hardness, high thermal conductivity......
The friction, wear and lubrication of carbon nitride coatings on silicon substrates are studied using a spherical diamon......
The oxidation behavior of high speed steel (HSS) was researched by high temperature thermo balance at 500 to 800 °C in ......
Surface Cleaning or Activation? Control of Surface Condition Prior to Thermo-Chemical Heat Treatment
Actual heat treatment processes must face increasing specifications with reference to process quality, safety and result......
Utilizing SHS Reactive Flame Spraying (RFS) technology, TiC-TiB2-Al2O3 multiphase ceramics coatings were produced on ste......
The multi-impact characteristics and failure mechanism of two kinds of automotive enginechain made in China are studied ......
Without considering the effects of alloying interaction on the Jominy end-quench curves, the prediction results obtained......
The effect of homogenization on the hardness,tensile properties,electrical conductivity and microstructure of as-cast Al......
High-speed steel W18Cr4V is commonly used in industries such as blade and mould manufacturers because of its high level ......
The developed 1Cr18Ni9Ti austenitic stainless steel containing 1.63 wt.%B have been characterized by X-ray diffraction(X......
Mechanical properties and in vivo biodegradability of Mg-Zr-Y-Nd-La magnesium alloy produced by a co
Permanent implants are going to be replaced by the implementation of biodegradable magnesium-based implants in fixation ......
AZ61Mg alloy was multi directionally forged(MDFed) during decreasing temperature condition from 643 K to 483 K at a true......
Arc spraying with the cored wires was applied to deposit FeMnCr/Cr3C2 coatings on low carbon steel substrates, namely FM......
The influence of Ce on solid solution and aging process of AZ91D magnesium alloy was analyzed. The results showed that t......
The residual stress of T-joints for SUS304 stainless steel by YAG laser welding was measured by the method of hole-drill......
Tempered tool steel 5Cr15MoV was normalized at different temperatures followed by air-cooling.It is found that the hardn......
In this study, resistance spot weldability of 180 grade bake hardening steel (BH180), 7123 grade interstitial free steel......
为探究采后离体烟叶内淀粉和糖代谢变化规律,及其与采后烟叶软化的关系,以烤烟品种豫烟12号为材料,测定采后烟叶硬度、呼吸强度、......
Titanium alloys are widely used in aeronautics that demand a good combination of high strength, good corrosion resistanc......
A new design of copper-bearing non-quenched plastic mold steel is presented and explained. Two kinds of microstructure c......
The effect of the rare earth element Er on the microstructures and properties of Mg-Al intermetallic were studied in thi......
The first wall(FW) is one of the core components in ITER. As the heat sink material,the CuCrZr alloy shall be properly j......
By doping titanium hydride(TiH2)into boron carbide(B4C),a series of B4C+x wt％TiH2(x = 0,5,10,15,and 20)composite ceramics......
设计并制备了一种新型超高强Cu-6.5Ni-1Al-1Si-0.15Mg-0.15Ce合金,采用扫描电镜观察、透射电镜观察、光电子能谱分析等手段研究该......
对激光熔覆AlCoCrFeNiTi_(0.5)高熵合金涂层进行900℃退火,保温5 h处理。主要对退火前后样品的微观结构和耐磨性进行研究。XRD结果......
制备体积分数分别为0、1.5％、3％、5％和10％B4C颗粒增强Mg金属基复合材料,研究其力学性能和磨损行为.在450℃和不同加载速率下,分别采用......
Influence of microwave drying and conventional drying methods on the mechanical properties of naprox
Tablets are one of the most commonly used solid dosage forms taken by patients.The preparation of high-quality tablets r......
