microhardness相关论文
Multicomponent Al20Cr20Fe25Ni25Mn10 alloys were synthesized using spark plasma sintering at different temperatures (800,......
采用超音速火焰喷涂技术沉积含3种不同(Mo+B)/(Ni+Cr)质量比(1∶1,2∶1和3∶1)的Mo-B-Ni-Cr球磨复合粉末以原位反应制备获得MoB/Ni......
Anomalous microstructure and tribological evaluation of AlCrFeNiW0.2Ti0.5 high-entropy alloy coating
To evaluate the potential of high entropy alloys for marine applications,a new high entropy alloy coating of AlCrFeNiW0.......
FeAlCuCrNiMo0.6Tix (x =0.2,0.6,0.8) high-entropy alloys were fabricated with flux-cored wire and surfaced on low-carbon ......
Electrodeposited Ni-W-TiC Composite Coatings: Effect of TiC Reinforcement on Microstructural and Tri
Ni-W-TiC composite coatings were prepared via electrodeposition technique by dispersing the different amount of TiC part......
Wear behaviors of 3Cr2W8V and GH4169 with H70, including surface property, wear performance and friction work, were inve......
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The correlation between the microhardness and microstructure features of anodic films on 2024 aluminum alloy formed in t......
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Due to the intrinsic nature of a heterogeneous and anisotropic microstructure of cement based materials and the small in......
Physical Characteristics of Plasma Cladding Fe-Cr-Nb-Si-Mo Alloy Cladding Layers on Different Substr
A plasma cladding experiment was carried out to investigate the characteristics(surface hardness, microstructure, fricti......
Microstructural, Mechanical, Electrical, and Thermal Properties of the Bi-Sn-Ag Ternary Eutectic All
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Due to the intrinsic nature of a heterogeneous and anisotropic microstructure of cement based materials and the small in......
The TiC-TiB2-Ni metal-ceramic composite coatings were synthesized in situ on stainless steel substrates by plasma claddi......
The Ni-based alloy coatings reinforced with TiN-TiB2 were prepared on AISI302 stainless steel by reactive plasma claddin......
Effects of High-Frequency Microforging on the Laser Cladding Layer Prepared on the 304 Stainless Ste
The laser cladding layer on the 304 stainless steel surface is modified by a high-frequency microforging process.The mic......
Influence of oxygen flow rate on the microstructure and properties of HVOF-sprayed multimodal WC-17C
Multimodal WC-17Co coatings with 50% nano-WC and 50% micro-WC were prepared on Q235 steel substrate by high velocity oxy......
Preliminary Comparative Evaluation of Wellbore Cement and Shale as the Major Subsurface Hydraulic Ba
Cement is an intricate component of stable wellbores as it provides zonal isolation, mechanical reinforcement of the cas......
W-ZrC composites reinforced with Sc2O3 particles were produced through powder metallurgy(PM)and subsequent spark plasma ......
Effects of plasma spraying powers on microstructure and property of nanostructured composite coating
In-situ nanostructured FeAl2O4 composite coatings were prepared by plasma spraying Al/Fe2O3 composite powders using diff......
Surface morphology and tribological behavior of AZ31 magnesium alloys irradiated by high-intensity p
Surface morphology and tribological behavior of AZ31 magnesium alloys irradiated by high-intensity pulsed ion beam (HIPI......
In this study,nonastructured Al2O3-13wt%TiO2 (AT13) coatings were deposited by multi-function micro-plasma spray and Met......
The superconducting,structural and mechanical properties of BSCCO bulk samples have been studied as a function of pressu......
Effects of mineral admixtures and superplasticizers on micro hardness of aggregate-paste interface i
This paper presented quantitatively the results of an experimental investigation on the influence of either mineral admi......
Study on unlimited solid solution of AI and Si elements of a HCPEB treated hypereutectic Al17.5Si al
This paper reports,for the first time,an interesting phenomenon associated with the high current pulsed electron beam (H......
在常规铸造条件下,向Mg-Zn-Y合金中引入第四组元元素,研究了第四组元元素在准晶形成过程中的作用,以及不同的第四组元元素对镁基二......
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以金属Cr和A1Ti合金为靶材料,在沉积过程中引入SiH4气体,用自行设计的多靶阴极电弧离子镀系统在单晶硅和硬质合金衬底上沉积了CrTi......
Tailoring the surface chemical bond states of the NbN coatings by doping Ag : impact the tribologica
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采用YLS-3000光纤激光器开展了激光熔覆钴基高温合金实验,通过光学显微镜、显微硬度计表征了激光熔覆钴基高温合金的宏观形貌、显......
对304 不锈钢基材表面制备的激光熔覆层进行了高频微锻造处理。通过光学显微镜和X 射线衍射仪分别研究了高频微锻造处理前后激光熔......
采用激光熔覆技术在GCr15钢基材上制备FeCrNiSi合金熔覆层，通过超景深显微镜、显微硬度计及摩擦磨损试验机，研究激光工艺参数对熔覆......
在304L不锈钢表面激光熔覆制备了Fe-Cr-Si-P非晶复合涂层。分析了扫描速度对涂层组织及性能的影响。涂层主要由非晶和Fe3P、Fe2Si......
在2.5 mm厚6061铝合金光纤激光穿透焊接实验的基础上，着重研究了焊接热输入对焊缝成形的影响。结果表明，光纤激光穿透焊的焊缝熔宽随......
采用超音速等离子喷涂技术与激光重熔工艺复合制备氧化锆隔热涂层,通过光学显微镜、扫描电镜、能谱仪、X射线衍射仪和硬度仪分别表......
针对1Cr13马氏体不锈钢粉末的激光直接成形性能进行了实验研究，观测了成形薄壁件中显微硬度和典型微观组织结构沿高度方向上的分布，......
利用焦点高频旋转方法进行了光纤激光点焊工艺研究，并与传统激光点焊工艺进行了对比分析。结果表明，在热导焊接模式下，利用激光焦点高......
Effect of constant temperature substrate on microstructure and hardness of Al2O3-based eutectic cera
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采用同轴送粉激光熔覆技术在Ti811表面制备了CeO2质量分数分别为0,1%,3%的TC4 Ni45 CeO2多道搭接激光熔覆层。采用X射线衍射仪、扫......
为了探究不同激光扫描速度下NiCoCrAlY涂层的组织性能,通过激光熔覆技术在IN718表面熔化沉积了NiCoCrAlY涂层,分析涂层的成形情况......
利用激光熔覆技术在TC4钛合金表面制备钴基/氧化石墨烯(GO)复合熔覆层,保持扫描速度V1=6 mm/s,送粉速率V2=1.2 r/min,光斑直径D=4 ......
为了研究激光熔覆过程中的稀释效应,模拟了不同扫描速度下单道激光熔覆304不锈钢过程中的温度场,并依据材料的熔点计算出稀释率。......
用Nd:YAG固体脉冲激光焊接器对厚度为0.65 mm的DP500双相钢进行了激光焊接试验，对脉冲激光焊缝表面和横截面形貌进行了分析，重点研究......
采用激光熔覆工艺在40Cr钢表面制备了Fe0.5NiCoCrCuTi高熵合金涂层, 利用带有能谱的扫描电子显微镜(SEM/EDS)、显微/维氏硬度计、......
应用激光冲击强化处理技术, 对不同状态下Fe40NiCrSiAl合金材料进行了强化处理, 并对其硬度、弹性模量、摩擦系数和磨损特征进行了......
通过同步送粉方式在Q235钢基材表面制备了添加不同质量分数纳米TiO2和CeO2的Ni基激光熔覆层,分析了熔覆层的表面形貌、显微组织和......
为了提高AISI321不锈钢的耐磨性，采用激光表面合金化技术在AISI321不锈钢表面制备了TiC增强复合材料涂层,利用金相显微镜、X射线衍......
采用光纤激光器对300M超高强度钢进行激光表面重熔处理,分析了不同激光功率和扫描速率下重熔表面的显微组织、硬度以及电化学腐蚀......
Microstructures and Mechanical Properties of Al-Zn-Sn Bearing Alloys for High Performance Applicatio
The mechanical behavior and indentation creep of Al-20 wt%<span style=\"white-space:normal;font-family:宋体;\"> </sp......
Inconel 625+WC composite coatings were prepared on the surface of 2Cr13 steel by laser cladding.The microstructure,micro......
