Web9 de nov. de 2024 · In the industrial process, the vacuum arc remelting (VAR) process is widely used to manufacture high-performance stainless steel, nickel-based alloy, and titanium-based alloy, which can improve the cleanliness, homogeneity, and refinement of solidification structure [ 1 ]. Web13 de abr. de 2024 · Fe-based amorphous alloys often exhibit severe brittleness induced by annealing treatment, which increases the difficulties in handling and application in the industry. In this work, the shear transformation zone and its correlation with fracture characteristics for FeSiB amorphous alloy ribbons in different structural states were …
High cerium content (Nd-Pr-Ce)2Fe14B melt-spun ribbons with …
Web8 de nov. de 2016 · Remelting processes such as electroslag remelting (ESR) or vacuum arc remelting (VAR) or their combination are extensively used to enhance the quality of primary melted materials with respect to their homogeneity, solidification structure, soundness, and cleanliness. Web15 de jan. de 2012 · @misc{etde_21547772, title = {Influence of defects and impurities on the deteriorated border region in multicrystalline silicon ingots} author = {Wu, Shanshan, Wang, Lei, Li, Xiaoqiang, Wang, Peng, Yang, Deren, You, Da, Du, Jiabin, Zhang, Tao, and Wan, Yuepeng} abstractNote = {The origin of the lower minority carrier lifetime in the … on this regard synonym
Segregation Defects in VAR Titanium Alloys: I. Common Defects
Web6 de nov. de 2007 · process may contribute to the initiation and formation of freckle defects in INCONEL 718 ingot. DOI: 10.1007/s11661-008-9638-7 The Minerals, Metals & Materials Society and ... On longitudinal sections of VAR ingots, tree rings appear as fragments of chains of equiaxed grains that decorate the solid/liquid interface and can be used to ... Web26 RUSSIAN JOURNAL OF NON-FERROUS METALS Vol. 49 No. 1 2008 KONDRASHOV et al. nates G–v, the boundaries of the appearance of defects and the varying morphology of crystallization are plot- Web15 de abr. de 2011 · Our study focuses on the prevention of “white spots” in the alloy IN 718. These defects, which are small volumes of a few millimeters of characteristic length, are depleted in niobium. They are known to result from the fall of metal fragments in the liquid pool during VAR processing. on this regard 意味