This study investigated the densification behavior of rhenium alloys including W-25 wt. ... MSC witha minimal set of preliminary experiments can make the densification behavior to be characterized ... The densification behaviors for each material were ana-lyzed in many respects including apparent activation
Nanostructured metallic materials are synthesized by bottom-up processing which starts with powders for assembling bulk materials or top-down process..
In the study, a hybrid constitutive model for densification of metallic powders was applied to cold ... This theoretical approach is useful for powder densification analysis of various powder sizes, deformation
The proposed densification model was implemented into the finite element code. ... Numerical simulations of the powder extrusion need an appropriate pressure-dependent constitutive model for densification ... was applied to simulation of powder extrusion of pure magnesium powder in order to investigate the densification
Densification behavior was analyzed from the data of deflection along the pressure axis. ... In this study, fundamental study on sintering behavior and mechanism of SPS was investiged. ... It is known that SPS is very effective for the densification of hard-to-sinter materials like refractory
behavior, especially for initial stage. ... The numerical modeling of the powder process requires the appropriate constitutive model for densification ... was found that the critical relative density model is better than the Shima-Oyane model for powder densification
and Grain Growth Behavior of MgO and TiO2-doped Alumina – 이정아, 김정주 (경북대학교 무기재료공학과) Effect of the Manufacturing ... 이때 Sintering이 완료 되었을 때 full densification을 이루기 위해서 Green density를 높여야 합니다. ... 이는 sintering이 끝났을 때 시편의 full densification을 가능하게 해 재료의 기계적 성질을 향상 시킬 수 있습니다. ● Heating (Firing) 입자 내에
Al / Al2O3 / SiCw 복합재료의 피로균열전파 거동과 피로기구 ( Fatigue Crack Propagation Behavior and Fatigue Mechanism of ... Improvements 04 * Problem Using H ot Isostatic P ressing (HIP) method Difficult t o normal sintering Densification ... Processing Pre - treatment M ix ing Drying Molding HIP ※ H ot Isostatic Pressing ① Maximum 1400MPa, 2000°C ② Densification
SEM showing (a) homogeneous sintering behavior in a compact of spinel power and (b) inhomogeneous sintering ... 즉, 소결이란 그림2에서 보는 것처럼 분말 성형체가 가열에 의해 조립화(coarsening) 또는 치밀화(densification)를 이루는 과정을 말한다. ... Densification of compacts of submicron yttria-stabilized zirconia powder containing aggregates and with
The effect of LCBO addition on sintering behavior and ion conductivity of LLZ is studied. ... It is found that the LCBO compound could lead to significant improvements in the densification and ionic ... compound Li3BO3 (LBO) is intended to be prepared by a polymeric complex method as a sintering aid for the densification
Selective laser melting (SLM) can produce a layer of a metal powder and then fabricate a three-dimensional structure by a layer-by-layer method. Each..
The reduction behavior of WO3 and WO3-NiO powders is analyzed by a temperature programmed reduction method ... In contrast, the strut densification is clearly observed in the Ni-added W sample due to the enhanced