A Real-Time C3 Continuous Local Corner Smoothing and Interpolation Algorithm for CNC Machine Tools

Q Hu, Y Chen, X Jin, J Yang - Journal of …, 2019 - asmedigitalcollection.asme.org
Linear tool path segments of computer numerical control (CNC) machine tools need to be
smoothed and interpolated in order to guarantee continuous and steady machining …

Foreign object damage phenomenon by steel ball projectiles in a SiC/SiC ceramic matrix composite at ambient and elevated temperatures

SR Choi - Journal of the American Ceramic Society, 2008 - Wiley Online Library
Foreign object damage (FOD) phenomenon of a gas‐turbine grade SiC/SiC ceramic matrix
composite (CMC) was determined at 25° and 1316° C using impact velocities ranging from …

Performance of ceramics in severe environments

NS Jacobson, DS Fox, JL Smialek, EJ Opila… - 2005 - dl.asminternational.org
This article examines the high-temperature oxidation of silica-forming ceramics under
constant temperature and cyclic conditions. The effects of water vapor, impurities, and …

Erosion in gas-turbine grade ceramic matrix composites

N Kedir, C Gong, L Sanchez… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
Erosion behavior of a large number of gas-turbine grade ceramic matrix composites (CMCs)
was assessed using fine to medium grain garnet erodents at velocities of 200 and 300 m/s at …

Effect of coating thickness on the friction coefficients and torque-tension relationship in threaded fasteners

SA Nassar, AM Zaki - 2009 - asmedigitalcollection.asme.org
This paper experimentally investigates the effect of coating thickness on the thread, bearing
friction coefficients, and torque-tension relationship in threaded fasteners, as well as an …

Foreign object damage in an oxide/oxide composite at ambient temperature

SR Choi, DJ Alexander, RW Kowalik - 2009 - asmedigitalcollection.asme.org
Foreign object damage behavior of an oxide/oxide (N720/AS) ceramic matrix composite was
determined at ambient temperature using impact velocities ranging from 100 m/s to 400 m/s …

Mechanical Properties and Impact Resistance of a New Transparent Glass‐Ceramic

T Berthier da Cunha, JP Wu, O Peitl… - Advanced …, 2007 - Wiley Online Library
The focus in ceramic armour development today is towards improved protection capability
combined with an overall reduction in production cost.[1–5] Because of their brittle nature …

Foreign object damage by spherical steel projectiles in an N720/alumina oxide/oxide ceramic matrix composite

SR Choi, DC Faucett… - Journal of the American …, 2014 - Wiley Online Library
Foreign object‐damage (FOD) phenomena of an N720/alumina oxide/oxide ceramic matrix
composite (CMC), impacted by 1.59‐mm spherical chrome steel projectiles up to Mach 1 …

Structure design and fabrication of environmental barrier coatings for crack resistance

J Liu, L Zhang, Q Liu, L Cheng, Y Wang - Journal of the European Ceramic …, 2014 - Elsevier
The elastic-modulus-graded environmental barrier coatings (EMG-EBCs) were designed
and fabricated to resist crack propagation in this study. The cracks were introduced on the …

Foreign object damage behavior in a silicon nitride ceramic by spherical projectiles of steels and brass

SR Choi - Materials Science and Engineering: A, 2008 - Elsevier
Assessments of foreign object damage (FOD) of a commercial, gas-turbine grade, in situ
toughened silicon nitride ceramic (AS800) were made using different projectile materials at …