منابع مشابه
Two-dimensional phosphorus carbide: Competition between sp and sp bonding
We propose previously unknown allotropes of phosphorus carbide (PC) in the stable shape of an atomically thin layer. Different stable geometries, which result from the competition between sp bonding found in graphitic C and sp bonding found in black P, may be mapped onto 2D tiling patterns that simplify categorizing of the structures. Depending on the category, we identify 2D-PC structures that...
متن کاملEffect of phosphorus on cleavage fracture in -carbide
To understand the origin of cleavage fracture which dominates in Fe Mn -Al-C alloys at a high phosphorus concentration, we performed first-principles study of the phosphorus effect on ideal cleavage energy and critical stress in -carbide, Fe3AlC, a precipitate in the austenitic alloys. We find that phosphorus has higher solubility in Fe3AlC than in -Fe and sharply reduces the cleavage character...
متن کاملThermal Analysis of Tantalum Carbide-Hafnium Carbide Solid Solutions from Room Temperature to 1400 C
The thermogravimetric analysis on TaC, HfC, and their solid solutions has been carried out in air up to 1400 ◦C. Three solid solution compositions have been chosen: 80TaC-20 vol % HfC (T80H20), 50TaC-50 vol % HfC (T50H50), and 20TaC-80 vol % HfC (T20H80), in addition to pure TaC and HfC. Solid solutions exhibit better oxidation resistance than the pure carbides. The onset of oxidation is delaye...
متن کاملSolid-state graphene formation via a nickel carbide intermediate phase
Department of Electrical Engineering, Uni 68588, USA. E-mail: [email protected] Institut de Chimie de la Matière Condensé Schweitzer, F-33608, Pessac Cedex, France Department of Mechanical Engineering, Iow Materials Science & Technology Division, O TN 37831, USA Laser Micro/Nano Fabrication Laboratory, S Institute of Technology, Beijing 100081, Chi † Electronic supplementary informa 10.1039/c5ra1868...
متن کاملCutting Force Prediction in End Milling Process of AISI 304 Steel Using Solid Carbide Tools
In the present study, an attempt has been made to experimentally investigate the effects of cutting parameters on cutting force in end milling of AISI 304 steel with solid carbide tools. Experiments were conducted based on four factors and five level central composite rotatable design. Mathematical model has been developed to predict the cutting forces in terms of cutting parameters such as he...
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ژورنال
عنوان ژورنال: Chem. Commun.
سال: 2002
ISSN: 1359-7345,1364-548X
DOI: 10.1039/b207743b