lasercladding相关论文
Enhanced microstructural and mechanical properties of Stellite/WC nanocom-posite on Inconel 718 depo
Stellite-21/WC nanopowders were deposited on Inconel through vibration-assisted laser cladding with different laser para......
采用光纤激光器,在不同功率下在Q235钢表面制备了铜基合金熔覆层.利用扫描电镜、能谱仪、X射线衍射仪和电化学工作站分别对熔覆层......
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.......
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Laser cladding of 316 L steel powders on pick substrate of coal mining machine was conducted, and microstructure of lase......
Microstructure and Wear Resistance of in situ NbC Particles Reinforced Ni-based Alloy Composite Coat
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The titanium carbide phase was synthesized in laser melted-pool in situ as the reinforced particles of nickel based comp......
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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......
Microstructure and wear resistance of in situ laser cladding Ti3AlC2/TiC/Ti composite coating on tit
A wear resistant and self-lubricating Ti3AlC2/TiC/Ti composite coating was in situ fabricated on TA15 alloy substrate by......
Preparation and Microstructural characteristics of Al2O3-13wt%TiO2 ceramic Coatings by Laser Claddin
Al2O3-13wt%TiO2 coatings, formed by means of laser cladding on nickel-based alloy, were heated using high frequency indu......
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Wear Behaviors of Laser Cladded Nickel-based Alloy Coatings Reinforced by Molybdenum and Cerium Diox
Three kinds of coatings have been prepared on the surface of 45CrNi steel plates using laser cladding technique by addin......
Preparation and Characterization of Nickel-Based Composites Coatings Reinforced by TiB2+WC on Stainl
A nickel-based composites coating reinforced by TiB2+WC has been prepared on stainless steel by laser cladding.The Micro......
Although various techniques have been employed for depositing bioceramic coatings on metallic implants,the poor coatings......
通过分析激光熔覆过程中光束、粉末和熔池间的作用机理，建立了送粉式激光熔覆材料有效利用率的数学模型，在此基础上推导了送粉角度与......
Improving the Corrosion Resistance and Mechanical Property of Medium Carbon Steel Surface by Laser C
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Microstructure and Corrosion Resistance of Aluminum Alloy Matrix Coating on CeO2 + Ni60A by Laser Cl
In order to improve the surface properties of aluminum alloy, we used laser cladding prepared rare earth CeO2 + Ni60A cl......
During the process of laser cladding,the cracking of coatings has always been the key hinderance limiting the applicatio......
Fabrication of an advanced ceramic coating on carbon steel has been extensively used to improve the performances of the ......
Impact Fatigue Behaviors and Strengthening Mechanism of the Iron-based Medium Manganese Alloy Coatin
The novel iron-based medium manganese alloy coatings were prepared on 18Cr2Ni4WA steel surface by laser cladding with a ......
Laser cladding technology is to deposit a clad layer covering on the surface of substrate,in order to achieve enhanced c......
采用含有Ti,Al,Nb,Cr,C元素的混合金属粉末，以激光熔覆的方法在Ti-6Al-4V合金基材上制备了钛铝化物基原位合成碳化物增强复合涂层，分......
利用激光熔覆的方法在45钢基体上制备了CrNiAlCoMoB0.5高熵合金（HEA）涂层，研究了涂层组织结构及耐腐蚀性能。结果表明：涂层的耐腐蚀性......
通过理论推导分析了激光熔覆过程中熔覆层裂纹形成的物理机制，研究了激光光斑直径对裂纹缺陷的影响。选择40Cr 为基底材料，Ni60 为熔......
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......
通过进行工艺参数(激光功率、扫描速度和送粉速率)可控的单道激光熔覆实验，观察了沉积轨迹横截面形貌的变化；提出了单一参数（δ参数，δ......
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......
使用5 kW CO2激光器对铝合金表面的Ni-Cr-Al涂层进行熔覆处理。分析发现,熔覆层中存在大量的非晶组织。利用差热分析(DTA)方法半定......
利用激光熔覆技术制造高速线材轧辊为应用前提。轧钢领域的众多生产线各有不同,同一生产线上的不同位置的轧辊也具有不同形状,这种......
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......
为细化涂层晶粒组织，提高熔覆涂层质量，采用旋转磁场辅助激光熔覆技术在Q235钢表面制备了Fe60复合涂层。借助扫面电子显微镜(SEM)、......
通过激光熔覆技术制备了自组装 Cu92Fe8偏晶复合涂层,研究了其相分离特征、显微硬度、耐腐蚀和磁学性能。结果表明,球磨后Cu92Fe8......
通过激光熔覆技术，在30CrMnSiNi2A超高强度钢表面熔覆了1Cr15Ni4Mo3粉末，研究了熔覆层的显微组织和力学性能。结果表明，熔覆层组织主......
采用6 kW横流CO2激光器在经正火处理的1Cr18Ni9Ti不锈钢基材表面激光熔覆了Ni60CuMoW 1.00%Ti合金粉末复合涂层，研究了涂层的物相结......
激光技术; 激光熔覆; 复合涂层; 微观组织; 机制...
为了得到激光熔覆Ni35WC11涂层的最优工艺参数,采用单因素控制法,以激光功率、送粉量、扫描速度三种工艺参数作为控制变量,将熔覆......
常用显微镜、能量色散X射线光谱/扫描电子显微镜等检测熔覆层的微观缺陷。使用这些方法固然能准确地观察裂纹,但是这些技术检测结......
为了延长磷酸反应槽内搅拌桨叶片的服役寿命, 采用激光熔覆技术在904L不锈钢表面制备出Y203/Al2O3/904L复合涂层。采用X射线衍射仪......
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......
通过激光在中碳钢基体表面熔覆NiCrBSi Ta复合涂层原位生成了TaC颗粒。利用扫描电镜(SEM)、能谱仪(EDS)和X射线衍射仪(XRD)分析涂......
为了提高海洋用钢的表面性能,采用激光熔覆技术在Q235钢板表面熔覆了QAl-7铝青铜合金,并对其组织以及熔合线处的铜渗透现象进行了......
