Hardnes相关论文
To improve creep resistance of directional polytetrafluoroethylene (PTFE) films, epoxy grafted nano-SiO2 is mixed with P......
The microscopic structure change rule in high speed steel (HSS) after an additional cryogenic treatment was studied in ......
In order to improve wear resistance and decrease the cost, carbon and carbon nanotubes reinforced copper matrix composit......
A new type of Cu-La2O3 composite was fabricated by internal oxidation method using powder metallurgy.Sliding wear behavi......
Effect of Graphene Nanoplate and Silicon Carbide Nanoparticle Reinforcement on Mechanical and Tribol
Processing of magnesium(Mg) matrix composites reinforced with low reinforcement content(up to 4-5 vol.%)of graphene nano......
Pulsed excimer laser deposition and characterization of ferroelectric lead-zirconate-titanate thin f
The rapid development of ultralarge-scale integration demands integrated devices from ordinary 1-dimensional integrated......
In many cases an isothermal treatment of throughhardening bearing grades in the lower bainitic range allows to adjust th......
We describe the new mineral species titanium,ideally Ti,found in the podiform chromitites of the Luobusha ophiolite in T......
The Microstructure and room temperature abrasive wear resistance of chromium carbide reinforced Ni3Al matrix composite c......
For the first time, considering the effect of reaction layers, numerical simulation calculation of residual stress on br......
To study the effect of electrolytic concentration,bioactive ceramic films containing Ca and P on the surface of the Ti6A......
The tensile properties,electrical conductivity,and microstructure of the forged Al-7.1Zn-1.1Mg-1.6Cu-0.14Zr alloy were i......
Deposition of TiN/TiAlN multilayers by plasma-activated EB-PVD: tailored microstructure by jumping b
Plasma-activated electron beam-physical vapor deposition (EB-PVD) was used for depositing nitride multilayer coatings in......
Dependence of Microstructure and Hardness of Nanocomposite Coatings of nc-(Ti1-xAlxN)/a-Si3N4 on Alu
Super-hard nanocomposite coatings have been received a great attention during recent years. Based on our previous invest......
Dependence of Microstructure and Hardness of Nanocomposite Coatings of nc-(Ti1-xAlxN)/a-Si3N4 on Alu
Super-hard nanocomposite coatings have been received a great attention during recent years. Based on our previous invest......
The influence of isothermal quenching process of low-alloy and medium carbon (LAMC) CrMnSi cast steel on the impact toug......
本文研究了超硬不锈钢9Cr13Ni6Co5Be回火组织特征和性能特点.结果表明,9Cr13Ni6Co5Be钢在470℃回火析出金属间化合物Be2Fe,导致材......
在对82MnA钢连铸坯进行常规金相检验时发现，其显微组织中有沿晶界分布的白色相，采用直读光谱仪、光学显微镜、显微硬度计、扫描电镜......
利用纳米压痕仪研究Ti-24Nb-4Zr-8Sn（Ti2448）合金不同取向单晶体的硬度和弹性模量。结果表明：Ti2448合金单晶表现出各向异性，不同晶面......
采用“随机法”构建了考虑WC-Co硬质合金的Co相体积分数、晶粒平均粒径分布、晶粒形心分布以及晶粒取向角分布的微观结构模型，结合......
Influence of annealing treatment on properties and microstructures of alumina dispersion strengthene
Alumina dispersion strengthened copper(ADSC) alloy was produced by internal oxidation.The hardness,ultimate tensile stre......
通过对 PM成型 Al4L i1.5 Cul Mg0 .2 Zr0 .2 Re合金的固溶工艺和时效工艺的试验研究 ,得到了最佳金相组织和硬度值的热处理工艺参......
信息技术迅速发展对覆铜板用球形填料提出了更高的要求,具有更低介电常数的球形填料在信息传输中起到重要的作用。针对SiO2-B2O3-R......
采用改进的MEVVA源阴极对不锈钢进行了V＋C共注入，并做了X射线衍射分析，硬度和磨损实验。V＋C共注入剂量为1×10^17－8×10^17cm^-......
以普通低碳钢Q235A为基体，钴基碳化钨陶瓷粉末WC-12Co为热喷涂材料，采用低功率（5．2kW～9．1kW）内送粉等离子喷涂方法，在保持等离子弧电流恒定......
为实现电孤离子镀TiSiN薄膜成分可控，通过改变靶的相对电流在304不锈钢表面沉积TiSiN薄膜，采用厚度仪、能谱仪、扫描电镜、X射线衍射......
采用稻壳粉对高密度聚乙烯(HDPE)进行改性,研究了稻壳粉用量对HDPE力学性能、耐热性、流动性及硬度的影响,并观察了稻壳粉在HDPE中......
主要研究了不同的冷却方式对新型双相不锈钢A锻材组织的影响。采用1800t径锻机将锭型为3t的Φ500mm钢锭锻造成Φ287mm的锻材,通过......
将不同冷轧压下率的低碳铝镇静钢进行不同保温温度和时间的退火再结晶实验研究，利用维氏硬度计、金相显微镜和x射线衍射仪研究了退......
采用中频非平衡反应磁控溅射技术制备CrAlN薄膜，研究了氮气分压对CrAlN薄膜的沉积速率、薄膜成分、微观结构、机械性能和耐腐蚀性能......
采用不同的加热温度和冷却方法对H62黄铜进行退火工艺试验,对退火处理后H62黄铜的显微组织、硬度及抗拉强度进行了分析。结果表明：......
对GCrl5钢城轨用轴承外环进行了4种不同工艺的热处理，通过扫描电镜和透射电镜观察、硬度测试以及残余应力测试，研究了热处理工艺对该......
采用搅拌摩擦挤压法来将镁屑制成镁线。在搅拌摩擦挤压过程中,探头的旋转速率分别为150、250和355 r/min,切入速率固定为20 mm/min......
采用激光熔化同步输送Ni60A+30wt%WC/12Co复合粉末，在适度预热后的45钢表面激光熔覆获得了一定厚度的复合涂层。涂层中镶嵌着大量与......
研究了一种堆焊药芯焊丝,按通常工序制造与修复轧辊等设备,具有机加工性能好、硬度高,耐磨性好的特点,并能克服焊道之间的软化现象......
采用Formastor—Digital全自动相变膨胀仪研究了热轧09CuPTiRE和控轧控冷09CuPTiRE钢的连续冷却曲线，分析了冷却速度对这两种钢金相......
从纳米压入测量的基本原理出发介绍了压头面积函数及其校对方法，并对熔融石英进行了两次纳米压入测量，校对了两次压头面积函数，两次测......
通过对显微硬度与疲劳裂纹扩展速率的测试以及扫描电镜和透射电镜观察等实验手段,研究Mg含量对Al-Cu-Mg-Ag合金时效析出过程与力学......
采用提拉法生长了Ba2TiSi2O8（BST）晶体，并采用SEM和EDS等手段对晶体内部包裹物缺陷进行了分析。发现多晶原料中的Na，K，cl杂质元素的存在......
研究TGase、CaCl2、凝乳酶复合对Mozzarella干酪硬度的影响,以优化工艺参数。采用三因素二次正交回归设计确定TGase、CaCl2、凝乳......
Preliminary tribo-mechanical properties of IBED filmsof GCr15 bearing steels have been studied in this paperalong with t......
利用洛氏硬度计和冲击试验机对SDCM1、SDCM2、SDCM3、SDCM4等4种热作模具钢作硬度和冲击试验,得到了这4种钢的最佳热处理工艺参数......
针对传统高导电材料的抗软化温度较低的不足,研究开发了高软化温度的纳米Al2O3颗粒增强Cu基复合材料.测试了Al2O3p/Cu复合材料的退......
为了改进钢材表面性能,采用复合化学镀技术制备（Ni-P）-Al2O3纳米微粒复合镀层,由于纳米微粒独特的物理化学特性致使使得到的复合镀层......
以HT300为基材,以WC颗粒作为增强颗粒,通过V-EPC铸渗工艺制备出较为理想的铁基表面耐磨材料,铸件复合层厚度均匀,厚度可达6mm.WC在......
采用电镀方法对镁合金进行表面镀膜处理，间接提高其硬度和耐蚀性。借助硬度计和浸泡法对表面电镀Ni-Al2O3薄膜的镁合金的硬度和耐蚀......
The effect of addition of metallic carbides Cr3C2 and Cr3C2 + VC on structure and mechanical properties of WC-10 wt% Co ......
The inhomogeneous hardness distribution of high pressure torsion (HPT) processed IF steel disks along different directio......
为了研究时效工艺对Cu-0.3Cr-0.15Zr-0.05Mg合金显微组织及性能的影响,在时效温度400～650℃和时效时间1～11h条件下,得到时效工艺参数......
采用膨胀法结合金相-硬度法，在DIL-805热膨胀仪上测定了高硅及高铝Q＆P钢的临界点。测定了不同冷却速度下的连续冷却转变膨胀曲线，并对......
