Microstructural and micromechanical assessment of aged ultra-fast sintered functionally graded iron/tungsten composites
نویسندگان
چکیده
منابع مشابه
Phase and Microstructural Correlation of Spark Plasma Sintered HfB2-ZrB2 Based Ultra-High Temperature Ceramic Composites
Abstract: The refractory diborides (HfB2 and ZrB2) are considered as promising ultra-high temperature ceramic (UHTCs) where low damage tolerance limits their application for the thermal protection system in re-entry vehicles. In this regard, SiC and CNT have been synergistically added as the sintering aids and toughening agents in the spark plasma sintered (SPS) HfB2-ZrB2 system. Herein, a nove...
متن کاملMicromechanical Analysis of Random Composites
Micromechanical Analysis of Random Composites by Michal Šejnoha and Jan Zeman Effective elastic properties are found for a fibrous graphite-epoxy composite system with fibers randomly distributed within a transverse plane section of the composite aggregate. Two different approaches are examined. The first approach assumes a well defined geometry of the fiber arrangement and specific boundary co...
متن کاملFabrication of Net-Shape Functionally Graded Composites by Electrophoretic Deposition and Sintering: Modeling and Experimentation
It is shown that electrophoretic deposition (EPD) sintering is a technological sequence that is capable of producing net-shape bulk functionally graded materials (FGM). By controlling the shape of the deposition electrode, components of complex shapes can be obtained. To enable sintering net-shape capabilities, a novel optimization algorithm and procedure for the fabrication of net-shape functi...
متن کاملModelling and Microstructural Characterization of Sintered Metallic Porous Materials
This paper presents selected characteristics of the metallic porous materials produced by the sintering of metal powders. The authors focus on materials produced from the iron powder (Fe) of ASC 100.29 and Distaloy SE. ASC 100.29 is formed by atomization and has a characteristic morphology. It consists of spherical particles of different sizes forming agglomerates. Distaloy SE is also based on ...
متن کاملCohesive Modeling of Propagating Cracks in Homogeneous and Functionally Graded Composites
This paper presents a Cohesive Zone Model (CZM) approach for investigating dynamic crack propagation in homogeneous and Functionally Graded Materials (FGMs). The failure criterion is incorporated in the CZM using both a finite cohesive strength and work to fracture in the material description. A novel CZM for FGMs is explored and incorporated into a finite element framework. The material gradat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Materials & Design
سال: 2020
ISSN: 0264-1275
DOI: 10.1016/j.matdes.2020.108652