MICROSTRUC相关论文
研究了DD483合金在服役温度附近经喷砂处理和退火后的组织演变和表面再结晶行为.将DD483合金试样在0.4～0.7 MPa的压力范围内进行喷......
The hot-tearing susceptibility (HTS) of Mg-6Zn-xGd (x=0.5, 1, 2, 3, 4, 6) alloys was evaluated using a constrained rod c......
Interface strengthening in dissimilar double-sided friction stir spot welding of AZ31/ZK60 magnesium
Dissimilar welding of AZ31/ZK60 magnesium alloys with a thickness of 2 mm was successfully carried out by the double-sid......
Effect of Hydration Aging and Water Binder Ratio on Microstructure and Mechanical Properties of Spra
In order to study the durability of sprayed concrete (shotcrete), effects of different hydration aging and water-binder ......
Interface microstructure and formation mechanism of ultrasonic spot welding for Al–Ti dissimilar met
The present study focuses on interface microstructure and joint formation.AA6061 aluminum alloy(Al)and commercial pure t......
The relationship between thermo-mechanical history,microstructure and mechanical properties in addit
Here,a single-track CoCrFeMnNi high entropy alloy(HEA)was successfully fabricated by laser melting deposition(LMD).Combi......
Rapid directionally solidified microstructure characteristic and fracture behaviour of laser melting
Aiming at achieving fine and directionally-solidified microstructure of Nb-Si based alloy,Nb,Si and Ti powder particles ......
A 0.66 mm-diameter AZ31 alloy wire with ultimate tensile strength of 400 MPa and elongation of 28.5％was successfully prep......
Influence of a low-frequency alternating magnetic field on hot tearing susceptibility of EV31 magnes
The effect of a low-frequency alternating magnetic field (AMF,0 A 0 Hz,5 A 10 Hz,10 A 10 Hz,15 A 10 Hz) on the hot teari......
The effects of trace Ce on the microstructure,mechanical properties and corrosion resistance of Al-Zn-Mg alloy were stud......
运用力学性能测试,金相显微镜、扫面电镜观察等方法研究在铸造铝合金固溶强化过程中淬火水温对铝合金力学性能的影响。结果表明,合......
Investigation of processing–microstructure–property relationship using hot compression of a cone-sha
Gradient microstructure of the specimen was achieved by applying gradient thermoplastic deformation via electric resist-......
为研究水化学环境对湛江组黏土结构强度的影响,收集湛江地区地下水水文地质资料,并通过钻孔取水进行化学分析,分析该区地下水的化......
Effect of cellular recrystallization on tensile properties of a nickel-based single crystal superall
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Evolution of carbides and carbon content in matrix of an ultra-high carbon sintered steel during hea
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
研究了采用高能球磨工艺与热压烧结方法制备的TiAl／ZrO2陶瓷基复合材料的工艺条件、力学性能和微观结构。结果表明：TiAl质量分数为40......
Effect of heat treatment on the microstructure of a Ni-Fe based superalloy for advanced ultra-superc
The effect of heat treatment on the microstructure and microhardness of a Ni–Fe based superalloy for700 °C advanced ul......
分别对316L不锈钢板、不锈钢衬管以及爆炸复合后双金属复合管衬层进行金相组织分析、化学成分分析和力学性能(拉伸、硬度)测试.结......
The microstructure of bainite ferrite in NANOBAIN steel transformed at different temperatures was investigated by scanni......
采用自制的恒流非对称方波电源用微弧氧化法在AZ91D镁合金表面制备了耐腐蚀陶瓷膜,通过微观分析手段对微弧氧化膜的截面特征、元素......
通过真空自耗电极熔炼法制备等原子比镍钛形状记忆合金.为了研究其断裂力学性能,进行铸态镍钛形状记忆合金的拉伸和压缩实验.为了......
制备了2种含有相近合金元素含量但不同的弥散第二相密度的铝锰合金冷轧板材.利用背散射电子衍射和取向成像图技术研究了晶粒分裂和......
Evolution of carbides and carbon content in matrix of an ultra-high carbon sintered steel during hea
DTA, thermal expansion, XRD, and SEM were used to evaluate the effect of quenching temperature on the mechanical propert......
对含0.63%C(质量分数)的铬钼耐磨铸在860℃保温1 h雾冷淬火和550℃回火2 h后分别油冷、空冷和炉冷。检测了钢的显微组织、硬度、冲......
运用高能喷丸技术实现了工业纯铁表面自纳米化，利用电子背散射衍射（ElectronBackscatteredDiffraction，EBSD）对自纳米化组织的结构特征......
用水雾化合金粉末为原料,通过同步送粉式激光熔覆技术在40Cr基材上制备无碳高速钢涂层,对涂层的显微硬度、红硬性和抗回火稳定性进......
目的研究添加元素Zn含量的变化对涂层的显微组织、孔隙率、硬度及涂层-基体间界面结合强度等的影响规律。方法采用冷喷涂技术在Q34......
研究1050~1250℃固溶处理对铸造625合金显微组织和拉伸性能的影响。采用SEM、EDS、EPMA和DTA研究合金的显微组织及凝固特征。结果......
以石蜡作为相变材料(PCM),采用六面通圆孔三维结构模型,对泡沫金属复合PCM内相变熔化过程进行了数值模拟。研究了不同材料(Cu、Al......
为研究20CrMnMo齿轮经激光淬火后的硬度值和微观组织以及与其他热处理方式相比的差异,采用＂渗碳淬火＂和＂渗碳后不同参数的激光淬火＂等......
对2198和C24S异种铝锂合金进行搅拌摩擦焊对接试验，分析接头的显微组织和力学性能。结果表明：前进侧和返回侧热影响区的板条状组织均......
利用不同的热处理制度制备T4、欠时效、峰时效和过时效4种状态的合金,并通过恒应力蠕变拉伸实验和显微组织观察分别对不同状态合金......
在p-Al2O3微粉结合刚玉浇注料中分别加入2％和5％的SiO2微粉，制成40mm×40mm×160mm的试样，分别经110℃24h、1200℃ 3h和1500℃3......
采用溅射法在石英和316L不锈钢衬底上制备TiO2薄膜。采用x射线衍射仪（xRD）、扫描电镜（SEM）、原子力显微镜（AFM）观察薄膜的微观结构和表面......
为了研究组织对钢二氧化碳腐蚀的影响,采用不同珠光体含量的铁素体-珠光体钢进行了高压CO2腐蚀实验,并通过定量金像分析研究了珠光......
本文提出了一种梯度氮化法制备出低阻、高稳定性的α-Ta（N）／TaN双层Cu扩散阻挡层，该方法有效地避免了异质元素的引入和高N含量导致的高......
以自蔓延高温合成的MoSi2和陶瓷矿物为原料，通过粉末冶金工艺制备了MoSi2发热元件，采用XRD，SEM和EDS等技术分析了MoSi2发热元件的微观......
压榨是生产半硬质和硬质干酪的重要工艺。通过检测干酪的化学成分、质构特性、流变特性,研究了压榨过程中压榨时间、压强等参数对......
运用透射电镜、电子衍射、元素能谱分析,及热膨胀系数和力学性能综合测试手段,研究了含Li2O-Al2O3-SiO2(LAS)微晶玻璃的钛酸铝陶瓷......
Microstructure and Corrosion Resistance of Cr7C3/γ-Fe Ceramal Composite Coating Fabricated by Plasma
A new type in situ Cr7C3/γ-Fe ceramal composite coat-ing was fabricated on substrate of hardened and tempered grade C s......
The nitrided layers mainly containing TiN dendrites were fabricated by direct current nitrogen arc melting method.The te......
用浸渗法制备了SiCP／ZL101复合材料预制块，通过在预制块的稀释过程中施加高能超声波搅拌，获得了弥散均匀、性能良好的复合材料，讨论了......
A series of ablation experiments on silicon surface by femtosecond laser system of 775 nm and 150 fs duration pulses wer......
采用光学显微镜、扫描电子显微镜和布氏硬度计等分析测试手段研究了Sr（锶）对AZ91合金时效行为的影响．结果表明：添加Sr会降低AZ91合金的......
为了提高 Al-1.1Mg-0.3Cu 合金线杆的拉伸性能，通过金相、透射电镜、扫描电镜显微组织观察和拉伸试验分别对连续挤压态及拉拔退火态......
借助金相显微镜、能谱议等手段,分析Gleeble-1500热模拟试验机循环累积变形复合后的T1/Q235复合试样的界面组织、相结构和成分变化......
