The average dimensions of the columnar grains in these directions were 1, 2, and 8 mm, respectively. The ductility was highest in the through thickness direction and lowest parallel to the casting direction, this being the direction of stressing during the straightening operation in continuous ...
17.Study on In-Situ Growth Elongated Grains Cooperating with 3Y-TZP to Toughen Alumina Ceramics;原位生长柱状晶复相增韧氧化铝陶瓷的研究 18.Growth and Research of the Strip-shape Diamond Using Crystal-seed Method under HPHT晶种法柱状金刚石的高温高压生长与研究 相关短句/例句 cylinder crystal圆柱状晶体...
However, this kind of grain curvature can also be inhibited due to the constrained solidification among the highly textured grains (preferential growth direction in the build-up direction) and the remelting in MAM. Different from conventional manufacturing methods like casting, forging, and rolling, ...
6) rod-like grains 柱状晶 1. Al_2O_3/Al ceramics withrod-like grainswere prepared by precipitation method and pressureless sintering and using Al(NO_3)_3·9H_2O, ammonia and nanosize aluminum as raw materials. 以Al(NO3)3·9H2O、氨水和纳米铝粉为原料,采用液相沉淀包裹法和常压烧结制备出...
In the gestation, the number of ink balls of ductile iron is increased, and the graphite crystal nucleus is added in the iron of the electric furnace. Refine and homogenize the distribution of graphite in the casting. 4. Performance is stable. The selecti...
Island grains are indicated by the arrows in (a). Note also the thin layer of refined grains seen on the top of the final layer on each sample Full size image Fig. 2 β-reconstructed EBSD maps of the (a, b) Ti64 and (d, e) Ti6242 WAAM samples deposited with low and high wire...
In the gestation, the number of ink balls of ductile iron is increased, and the graphite crystal nucleus is added in the iron of the electric furnace. Refine and homogenize the distribution of graphite in the casting. 4. Performance is stable. The selection of suitable...
The formation of coarse columnar grains (CCGs) in the as-cast austenite structure of peritectic carbon steels is a serious problem in continuous casting pr... M Ohno,S Tsuchiya,K Matsuura - 《Metallurgical & Materials Transactions A》 被引量: 5发表: 2012年 Experimental Study of Disruption of...
Cu-Al-Ni wires with columnar grain structure fab- ricated by heated mold continuous casting process were con- ducted bending fatigue and tensile fatigue tests to study the behavior of grain boundaries in fatigue process. 用热型连铸法制取具有柱状晶组织的Cu-Al-Ni合金丝,进行弯曲疲劳和拉伸疲劳试验...
It is found that inhomogeneous microstructure is produced in both cold-rolled and final annealed samples due to the large initial grains. The cold rolling texture is dominated by pronounced a-fiber texture and relatively strong y-fiber texture. The final recrystallization texture is characterized by ...