Hardn相关论文
Effect of Valence Electron Structure on Temper Process and Hardness of the Supersaturated Carburized
...
Epoxy-terminated hyperbranched polymers(EHBPs)were prepared by proton transfer polymerization and characterized by FT-IR......
Computer aided design of heat treatment for AISI P20 mold steel with good machinability is attempted to proceed by the c......
In a nanoscale friction test,wear of an atomic force microscope(AFM)tip is inevitable.The shape of the worn tip influenc......
Waterborne polyurethane composites containing silica nanoparticles are synthesized successfully via the in situ polymeri......
The high cycle fatigue response of a high V-alloyed powder metallurgy tool steel (AISI 11) with different inclusion size......
The effect of substrate and annealing temperatures on mechanical properties of Ti-rich NiTi films deposited on Si (100) ......
Effect of aging on the mechanical properties and corrosion susceptibility of an Al-Cu-Li-Zr alloy co
The effects of aging on the microstructure,mechanical properties,intergranular corrosion,and exfoliation corrosion of an......
The high velocity oxy-fuel(HVOF) based thermal spray process has developed as a potential advantageous approach for fabr......
The research and development of spent nuclear fuel(SNF)reprocessing has entered the period of hot-experiment,thus severa......
Ni-Ag/TiC composite coating was prepared on the 45 steel substrates by means of laser cladding. Microstructure and wear ......
Irradiation effects in Ni–17Mo–7Cr alloy have been systematically investigated by using 3 Me V Au ions at different fl......
Effect of Austempering–Partitioning on the Bainitic Transformation and Mechanical Properties of a Hi
The 1.1C–1.5Si–1.1Mn–1.4Cr–0.5Mo–0.6Al–0.6Co(in wt%) steel was treated, respectively, by isothermal austempering p......
Effect of Cold Deformation on the Friction–Wear Property of a Biomedical Nickel-Free High-Nitrogen S
The microstructural,mechanical and corrosion properties of different cold-rolled biomedical nickel-free highnitrogen sta......
The purpose of this research is to explore the feasibility of roller hemming of AZ31 B magnesium alloy sheet. During the......
目的提高TC4钛合金的硬度和耐磨损性,改善CrN硬质涂层与TC4钛合金的适应性。方法采用等离子体增强磁控溅射系统,通过调节热丝放电......
采用“缺碳预还原+氢气深脱氧”方法制备了不同Cu含量(5%、20%、40%,质量分数)的超细Mo-Cu复合粉末。通过高温煅烧钼酸铵和硝酸铜......
提出了利用氧氮复合处理法提高高速钢成品刀具使用寿命的一般方法,此方法工艺简单,周期短,成本低廉,利用此方法处理后的成品刀具比处理......
松嫩草原火烧后,土壤表层硬度增加,早烧地硬度异质性程度增高,晚烧地降低。晚烧地土壤0 ̄5cm范围内窝重降低,早烧地与未烧地比无差异。火烧地......
分析了不处理胶辊回性期、分散度、硬度及抗绕性等有关技术问题;指出要提高不处理胶辊的适纺性,应从胶料配方入手提高其抗静电能力,提......
设计并熔炼了不同硅含量的三种耐磨耐蚀合金30Ni-35Cr-6.5Mo-1Nb-0.25N-xSi(x=1、2、3)-Fe,分别命名为1Si、2Si、3Si合金,利用SEM......
研究了不同的固溶温度和时间对GH4169合金晶粒度、δ相和硬度的影响。结果显示,当固溶时间保持在60 min,固溶温度升高至1 005℃时,......
通过纳米划痕测试技术(nano-scratch)研究了以Au和Au-Cu(xAu=93%,xCu=7%)为衬底,多晶硅Si为基片的类金刚石(DLC)薄膜的机械性能,其中DLC......
通过石墨冷铁的巧妙应用,解决了大断面球铁件易产生缩孔、缩松及表面硬度低的问题,保证了铸件加工面硬度的均匀一致,消除了加工面加工......
研究了WG-6Co1.5Al硬质合金球磨粉末的电流烧结工艺对合金性能的影响。结果表明:在脉冲电流基值、峰值、频率和占空比分别为360A,3000......
使用半连续铸造法制备Mg-xGd-0.6Zr(x=2, 4, 6, 质量分数) 镁合金,研究不同Gd含量对Mg-xGd-0.6Zr合金组织与力学性能的影响,优化 Mg-......
对LM-150型圆环链闪光对焊机中的GCr15钢'镶块凸轮'的镶块进行了高能激光束处理,分析了其显微组织,并测试了其硬度和使用......
实验采用亚临界处理方法对Cr26高铬铸铁组织转变及其力学性能进行了实验和应用研究.研究结果表明:该成分高铬铸铁经560oC+1h亚临界热......
在含碳量小于0.2%的低碳铸钢中加入1.0%B,获得了高强度高硼耐磨铸钢,并研究了淬火温度对高硼铸钢显微组织和性能的影响。结果显示,在900~10......
用膨胀法结合金相与硬度分析研究了一种新型水轮机叶片用V、N微合金化CrNiMo不锈钢的连续冷却转变行为,获得了该钢的连续冷却转变(C......
某热轧厂在进行穿孔操作过程中,一支顶头仅穿孔50次就发现其表面存在凹陷缺陷,将其与穿孔200次仍完好的顶头进行了理化检验及对比......
某700MW水轮机组的大型镜板采用25CrM04钢锭锻造而成,其镜面硬度均匀性是国产化的技术难点之一。为了给镜板制造工艺的制定提供理论......
某轧钢厂6H五连轧机V机架G2004号中间辊在使用过程中发生大剥落,对其进行断口分析、金相检验、硬度检验、化学成分和残余奥氏体含量......
The glass system xBi2O3-(30 – x)CdO-10B2O3-20Fe2O3-40P2O5 (0 ≤ x ≤ 30 weight %), has been prepared by the melt quench......
研究了Si3N4陶瓷及其表面蒸镀Al膜试样的离子注入效果,结果表明,Ti离子的注入与Ar离子的注入都可提高Al膜与陶瓷基体的结合力,并在一定的注入的剂量......
采用非平衡磁控溅射在铝基轴承合金表面制备了A1Sn20镀层,分析不同基体偏压对AISn20镀层的组织形貌、硬度、膜基结合力、摩擦因数等......
制备成分为Cu20Ni35Mn的合金试样,对铸态锰白铜合金直接进行时效处理,研究了不同的时效工艺对锰白铜合金的强化效果,分析了时效强......
研究了20Mn2SiVB钢在不同温度下进行等温淬火处理后的组织与性能.结果表明:在相同等温温度下,可获得板条状贝氏体铁素体组织,随着等......
借助于最微硬度计、SED和EDS等手段,从显微硬度、结合状态及元素分布等方面对45钢/铜合金双金属界面特征进行了分析。结果表明,45钢与......
在传统的SAF2507双相不锈钢的基础上,调整了其中几种主要元素的含量,并且研究了00Cr25Ni8Mo3CuN钢的相组成、力学性能和耐点蚀性能。......
研制了一种用于热轧辊堆焊的耐磨堆焊焊条,通过反复调整焊条药皮组成,找到了适合热轧辊的合金系。通过堆焊层的金相显微分析及X-射线物......
This paper presents the effects of aging processes on the properties and microstructure of Cu-0.3Cr-0.15Zr-0.05Mg lead f......