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-feng, YAO le. Utilization of solid waste resources in iron and steel enterprises[J]. Knowledge Economy, 2015(20): 125-126. [60] 王湖坤, 龚文琪, 刘友章. 有色金属矿山固体废物综合回收和利用分析[J]. 金属矿山, 2005(12): 70-72. WANG Hu-kun... Processing & Bioengineering, Central South University, Changsha 410083, China; 2.Hunan Key Laboratory for clean and efficient utilization of strategic calcium bearing mineral resources, Central South......
the DCR mold (Fig. 2(b)). The specific DCR process parameters are listed in Table 1. A stainless-steel collecting crucible at room temperature was used to collect the semisolid slurry from... of H13 steel, while the DCR was made of graphite. The specific parameters used in the numerical simulation of the semisolid slurry prepared via the DCR process are shown in Table 2. For the model......
with a steel body structure, the forming process of aluminium profiles is immature and costly. The production efficiency is increased using constant extrusion speed in the industrial extrusion..., billet, porthole, welding chamber, bearing and free-surface. For the transient-state analysis, the length of the free surface of the extruded profile was three times that of the die bearing......
with a spot of SF6 protective gas to prevent oxidation, and then cast into a steel mold. The ingots were then homogenized at 330 °C for 24 h followed by air cooling. The homogenized ingots were......
potential (-2.37 V vs SHE), high specific energy and high specific capacity [9-11]. The electrolytes typically contain chloride ions [12,13], which also tend to induce corrosion leading to the formation... element, which has a more negative standard electrode potential than that of magnesium, i.e., -2.52 V (vs SHE) [21]. La is more anodic than Mg; thus, Mg-La alloys provide discharge voltage lower than......
. There are several fluoride-bearing minerals in nature, such as biotite, sellaite, fluorspar, cryolite, topaz, tremolite, fluormica, epidote, and fluorapatite [1,2]. Mostly, dry areas suffer a higher concentration of fluoride than other regions, such as northern states in the United States, Australia, and North China. Moreover, semiconductors, zinc metallurgy, aluminum metallurgy, iron and steel smelting......
and Steel, 2011(4): 38-45. [27] OSADA T, NAGASHIMA N, GU Y F, et al. Optimum microstructure combination for maximizing tensile strength in a polycrystalline superalloy with a two-phase structure[J]. Acta......
phase steel [J]. Journal of Central South University, 2015, 22: 1203-1211. DOI: 10.1007/ s11771-015-2634-3. [10] ZHAO H L, NI S, SONG M, XIONG X, LIAO X P, LI H Z. Grain refinement via formation... Magazine Letters, 2017, 87(5): 349-359. DOI: 10.1080/0950083070 1191393. [39] DOLGUSHEVA E B, TRUBITSIN V Y. Study of size effects in structural transformations of BCC Zr films by molecular-dynamics......
by shield tunneling on the structure. As the pile bottom of urban overpass is deep, it is usually lower than the shield tunnel. Therefore, tunnel excavation has less effect on the bearing capacity... tunneling on the bridge pile foundation under the fluid-soil interaction. Table 1 Physical mechanical parameters of surrounded layers 3.3 Field measurement profiles Precision level, indium steel gauge......
has been achieved with 45 at.% Ti [11,12]. Adding V and Al to a Zr–Ti binary alloy can lead to a higher tensile strength (between 1300 and 1500 MPa) [13,14]. The high strength of Zr... with a DC voltage of 15 V for ~45 s. Except for the RD–ND plane, the fracture surface of the tensile specimen was observed by SEM. 3 Results and discussion 3.1 Layered gradient structure......
