Hot-pressing and characterization of TiB2–SiC composites with different amounts of BN additive

2021 ◽  
Author(s):  
Xiaowei Yang ◽  
Jian Chen ◽  
Rong Xing ◽  
Aziz Babapoor
Keyword(s):  
Hot Pressing ◽  
Sic Composites

Characterization of Fiber-Reinforced SiC Composites by Precursor-Pyrolysis and Hot-Pressing

2007 ◽  
Vol 280-283 ◽  
pp. 1305-1308
Author(s):  
Xin Bo He ◽  
Xuan Hui Qu ◽  
Chang Rui Zhang ◽  
Xin Gui Zhou
Keyword(s):  
Mechanical Properties ◽  
Hot Pressing ◽  
Fracture Behavior ◽  
Matrix Interface ◽  
Direct Reactions ◽  
Fiber Matrix Interface ◽  
Fiber Matrix ◽  
Sic Composites ◽  
Strength Retention

CF/SiC and Hi-Nicalon/SiC composites were prepared by precursor pyrolysis-hot pressing, and the microstructure and fracture behavior of the composites were investigated. Because of a strongly bonded fiber/matrix interface primarily resulting from the direct reactions between the fibers and matrix, Hi-Nicalon/SiC composite exhibited a typical brittle fracture behavior. However, CF/SiC composite displayed a tough fracture behavior with extensive fiber pullout, which was primarily attributed to a weakly bonded fiber/matrix interface as well as higher strength retention of the fibers. As a result, CF/SiC composite achieved better mechanical properties of 691.6 MPa in strength and 20.7 MPa•m1/2 in toughness, which were much higher than those of Hi-Nicalon/SiC composite.

Characterization of MeV Ion-Irradiated SiCf/SiC Composites Prepared with Different Methods

2008 ◽  
Vol 59 ◽  
pp. 257-262 ◽  
Author(s):  
Ji Yeon Park ◽  
Seok Min Kang ◽  
Weon Ju Kim ◽  
Akira Kohyama
Keyword(s):  
Hot Pressing ◽  
Focused Ion Beam ◽  
Ion Irradiation ◽  
Ion Beam ◽  
Chemical Vapor ◽  
Chemical Vapor Infiltration ◽  
Irradiation Effect ◽  
Nano Indentation ◽  
Sic Composites

To estimate the ion-irradiation effect on various types of SiCf/SiC composites, a silicon self-ion irradiation was performed at temperatures of 600 °C and 1200 °C and at doses of 5 dpa and 20 dpa, respectively. These SiCf/SiC composites were prepared by different processes such as CVI (chemical vapor infiltration), WA-CVI (SiC whisker assisted CVI) and hot-pressing (HP) method. Hardness was measured by a nano-indentation tester and microstructural changes were observed by TEM with SAD(selected area diffraction) technique for the specimens prepared by FIB (Focused Ion Beam) milling. The damage dose was calculated by the SRIM2003 code and then compared with microstructureal observation.

Synthesis and Sintering of Ti3SiC2–SiC Composites through Reactive Hot-Pressing of TiC and Si Precursors

Silicon ◽  
2021 ◽  
Author(s):  
Sheida Haji Amiri ◽  
Mahdi Ghassemi Kakroudi ◽  
Nasser Pourmohammadie Vafa ◽  
Mehdi Shahedi Asl
Keyword(s):  
Hot Pressing ◽  
Sic Composites ◽  
Reactive Hot Pressing

Characterization of reactive spark plasma sintered (Zr,Ti)B2–ZrC–SiC composites

2021 ◽  
Vol 119 ◽  
pp. 187-195 ◽  
Author(s):  
Abbas Sabahi Namini ◽  
Seyed Ali Delbari ◽  
Mehdi Shahedi Asl ◽  
Quyet Van Le ◽  
Mohammadreza Shokouhimehr
Keyword(s):  
Spark Plasma ◽  
Sic Composites

Preparation and characterization of ZrB 2 and TaC containing C f /SiC composites via Polymer-Infiltration-Pyrolysis process

2017 ◽  
Vol 37 (5) ◽  
pp. 1955-1960 ◽  
Author(s):  
Franziska Uhlmann ◽  
Christian Wilhelmi ◽  
Stephan Schmidt-Wimmer ◽  
Steffen Beyer ◽  
Claudio Badini ◽  
...  
Keyword(s):  
Pyrolysis Process ◽  
Sic Composites ◽  
Polymer Infiltration

Characterization of sintered TiC–SiC composites

2009 ◽  
Vol 35 (8) ◽  
pp. 3125-3129 ◽  
Author(s):  
Jing Chen ◽  
WenJun Li ◽  
Wan Jiang
Keyword(s):  
Sic Composites

PREPARATION AND CHARACTERIZATION OF MECHANICALLY FLEXIBLE RUBBER-CERAMIC COMPOSITE DIELECTRICS

2013 ◽  
Vol 22 ◽  
pp. 148-152
Author(s):  
DHANESH THOMAS ◽  
M. T. SEBASTIAN
Keyword(s):  
Dielectric Loss ◽  
Hot Pressing ◽  
Relative Permittivity ◽  
Ceramic Composite ◽  
Temperature Stability ◽  
Theoretical Models ◽  
Butyl Rubber ◽  
Low Dielectric

Butyl rubber — Ca 4 La 6( SiO 4)4( PO 4)2 O 2 — composites have been prepared by sigma mixing and hot pressing. The relative permittivity of the composites varies from 3 to 5.3 at 1 MHz. All the composites show low dielectric loss of the order of 10−3 at 1 MHz. The experimentally observed values of relative permittivity are correlated with those calculated using various theoretical models. The composites show good temperature stability of relative permittivity.

Microstructural and mechanical characterization of copper, nickel, and Cu-based alloys obtained by mechanical alloying and hot pressing

2017 ◽  
Vol 209 ◽  
pp. 509-512 ◽  
Author(s):  
C. Martínez ◽  
F. Briones ◽  
P. Rojas ◽  
C. Aguilar ◽  
D. Guzman ◽  
...  
Keyword(s):  
Mechanical Alloying ◽  
Hot Pressing ◽  
Mechanical Characterization ◽  
Copper Nickel
Sign in / Sign up

Export Citation Format

Share Document