In situ heating TEM observations on carbide formation and α-Fe ...
2018年9月27日 · When the specimens were heated, the twinning-boundary ω-Fe (C) transformed into carbide (mainly θ-Fe 3 C cementite) particles on the original {112} twinning planes. …
TEM and Mechanical Properties Study of Tungsten Carbide …
2024年7月24日 · Generally, cemented carbides are formed by a hard phase (WC) and a binder (Co) in a proportion of 80-20 wt. %, respectively, providing excellent properties such as high …
A transition of ω-Fe3C → ω′-Fe3C → θ′-Fe3C in Fe-C ... - Nature
2020年4月8日 · In this study, a new metastable carbide formation mechanism was proposed as ω-Fe3C → ω′-Fe3C → θ′-Fe3C based on the transmission electron microscopy (TEM) …
In-situ TEM investigations on the microstructural evolution of SiC ...
2023年4月1日 · Silicon carbide (SiC) fiber reinforced SiC matrix composites (SiC/SiC composites), owing to their excellent mechanical properties and chemical inertness at high …
TEM characterization and reaction mechanism of composite …
2023年5月15日 · Niobium carbide composite coatings with Nb 2 C, NbC, Nb 3 Si as the main phases were prepared in situ on the surface of TC4 titanium alloy by plasma spraying Nb–SiC …
Ex situ and in situ TEM investigations of carbide precipitation in …
2018年1月29日 · An ex situ approach combining fast quenching experiments in a dilatometer and postmortem microstructural observation in transmission electron microscopy (TEM) has been …
Nanomechanical and in situ TEM characterization of boron carbide …
2015年7月15日 · In the case of boron carbide coatings on implanted and unimplanted Inconel 600, cross sections not thicker than 100 nm were prepared by focused ion beam (JEOL JEM …
A TEM investigation of M23C6 carbide precipitation behaviour …
Transmission electron microscopy (TEM) along with electrochemical potentiokinetic reactivation (EPR) testing was performed on different grades of 304 stainless steel (0.01, 0.025, 0.05, and …
Bottom-up formation of robust gold carbide | Scientific Reports …
2015年3月16日 · For this work, free-standing graphene layers with electric contacts in a TEM-compatible geometry have been prepared. This concept has been optimized for combining …
In situ heating TEM observations on carbide formation and α-Fe ...
The microstructural evolution of twinned martensite in water-quenched Fe–1.6 C (wt.%) alloys upon in situ heating was investigated using transmission electron microscopy (TEM). In the as …