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contributed to the conception of the study; YANG Yu-ling contributed significantly to analysis and manuscript preparation. YANG Xue-jiao performed the data analyses and wrote the manuscript. Conflict......
of the processed and unprocessed samples. The micrographs were captured from the perpendicular cross-section to the longitudinal direction of the samples after initial standard metallography preparation......
of the manuscript. JI Yue-hui contributed to manuscript preparation and the revision of the manuscript. Conflict of interest XU Zhe, NI Wei-chen and JI Yue-hui declare that they have no conflict......
by the mineral composition analysis results. The physical and mechanical properties of the granite were tested using uniaxial compression and Brazilian disk tests, as shown in Table 1. 2.2 Sample preparation......
material preparation and processing technology[J]. Acta Metallurgica Sinica, 2015, 51(3): 257-271. [12] MOSTAFA M M, EL-SAYED M M, EI-SAYED H A, et al. Steady state creep during transformation......
of Technology, 2011. [27] BARDE A A, KLAUSNER J F, MEI R. Solid state reaction kinetics of iron oxide reduction using hydrogen as a reducing agent[J]. International Journal of Hydrogen Energy, 2016, 41(24...]. Qinhuangdao: Yanshan University, 2017. [41] PARISI D R, LABORDE M A. Modeling of counter current moving bed gas-solid reactor used in direct reduction of iron ore[J]. Chemical Engineering Journal, 2004......
substituted for sand. The mix proportions of NCM and RCM specimens are listed in Table 1 [25-27]. Table 1 Mix proportions (unit: kg/m3) 2.2 Specimen preparation and test process According to the standard......
and microstructures of SnAgCu solders[J]. Microelectronic Engineering, 2010, 87(11): 2025-2034. [49] 安晶. 含碳纳米管的Sn-58Bi无铅钎料的制备及其性能研究[D]. 哈尔滨: 哈尔滨工业大学材料科学与工程学院, 2010: 1-38. AN Jing. Investigation on the preparation.... Influence of ceramic reinforcements on the wettability and mechanical properties of novel lead-free solder composites[J]. Thin Solid Films, 2006, 504(1/2): 401-404. [58] 韩永典. Ni涂层碳纳米管增强Sn-Ag-Cu无铅钎料的可靠性研......
in heat transfer was made due to the larger thermal conductivity and lower solid/liquid contact angle by utilizing nanofluids [148]. Concentration augmentation leads to higher thermal conductivity which......
度),进而提高材料的综合性能.但同时也要尽可能降低随淬火冷却速率提高引起的淬火残余应力大的负面影响,其实质是寻求能使铝合金材料性能极大化与残余应力极小化的淬火冷却过程的全程协调控制理论与技术. 图12 固溶样品的光学金相照片(白色区域为再结晶晶粒)[3] Fig. 12 Optical metallography photos of solid solution samples (white region: recrystallized grains)[3] 图13 再结晶分数随固溶温度的变化规律[3] Fig. 13 Changes of crystallization fractions with solid solution temperatures[3] 辊底式喷淋淬火与固溶加热装置往往连成一体,一般称为辊底炉.高强铝合金材料在固......
