采用选区激光熔化(SLM)技术,研究了工艺参数对成形SRR99镍基单晶高温合金裂纹、气孔、显微组织等的影响。结果表明,在激光功率一定......

The development of Ni-based single crystal superalloys relies heavily on the composition design with the addition of cri......

Assisted by the mold preinstalled an alumina tube into seed segment, the influence of the original primary dendrite spac......

γ-Ni3Al相在高温下的反常流变行为与1/2<110>{111}超级部分位错的交滑移密切相关。沿最低能量路径获得的广义堆垛层错能曲线(即Γ......