scholarly journals Room temperature plasticity in thermally grown sub-micron oxide scales revealed by micro-cantilever bending

2018 ◽  
Vol 144 ◽  
pp. 9-12 ◽  
Author(s):  
Anand H.S. Iyer ◽  
Krystyna Stiller ◽  
Magnus Hörnqvist Colliander
Keyword(s):  
Room Temperature ◽  
Oxide Scales ◽  
Micro Cantilever ◽  
Cantilever Bending ◽  
Thermally Grown

Oxide Scale Formation on Iron-Chromium Alloys in Elevated Temperature Air Environments

CORROSION ◽  
1981 ◽  
Vol 37 (12) ◽  
pp. 700-711 ◽  
Author(s):  
P. Fabis ◽  
R. Heidersbach ◽  
C. Brown ◽  
T. Rockett
Keyword(s):  
Raman Spectroscopy ◽  
Room Temperature ◽  
Elevated Temperatures ◽  
Experimental Program ◽  
Oxide Scales ◽  
Chromium Alloys ◽  
Spectroscopy Instrumentation ◽  
Commercial Iron ◽  
Iron Chromium

Abstract Oxide scales formed on metals at elevated temperatures may be different, both chemically and structurally, from the scales on the metal once it has cooled to room temperature. This paper discusses Raman spectroscopy instrumentation for the in-situ identification of scales formed on metal surfaces exposed to gaseous environments. The results of an experimental program to characterize scales formed on two commercial iron-chromium alloys, AISI 446 and 502, in air and oxygen environments are also presented.

scholarly journals Micro-cantilever bending tests for understanding size effect in gradient elasticity

2022 ◽  
pp. 110398
Author(s):  
Jae-Hoon Choi ◽  
Hojang Kim ◽  
Ji-Young Kim ◽  
Kwang-Hyeok Lim ◽  
Byung-Chai Lee ◽  
...  
Keyword(s):  
Size Effect ◽  
Gradient Elasticity ◽  
Bending Tests ◽  
Micro Cantilever ◽  
Cantilever Bending

Development of Conductive Polymer Micro Cantilever for Conductivity Measurement

2008 ◽  
Author(s):  
Ping Du ◽  
Xi Lin ◽  
Xin Zhang
Keyword(s):  
Room Temperature ◽  
Redox State ◽  
Conductive Polymer ◽  
Single Layer ◽  
Conductivity Measurement ◽  
Conductivity Measurements ◽  
State Dependent ◽  
Micro Cantilever ◽  
Electrical Stimuli ◽  
The Relationship

Conductive polymers are an unusual class of organic materials that exhibit high electrical conductivity at room temperature. Some reduction or oxidation (redox) state dependent properties (conductivity, color, volume, permeability) can be easily controlled by electrical stimuli, which makes it possible to construct transistors, OLEDs, actuators and membranes. In this work, we focus on the actuator aspect, where the volume change relies on the ions and solvent flux. We synthesize the polypyrrole by electrochemical deposition and derive the relationship between the film thickness and the growth rate. We further develop a novel process to fabricate single layer micro cantilever structures for conductivity measurements. The conductivity of the final structure could achieve around 5.40 S/cm.

Hydrogen-enhanced intergranular failure of sulfur-doped nickel grain boundary: In situ electrochemical micro-cantilever bending vs. DFT

2020 ◽  
Vol 794 ◽  
pp. 139967 ◽  
Author(s):  
Tarlan Hajilou ◽  
Iman Taji ◽  
Frederic Christien ◽  
Shuang He ◽  
Daniel Scheiber ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Intergranular Failure ◽  
Micro Cantilever ◽  
Cantilever Bending

Thermally grown oxide scales on γ-TiAl coated with thermal protection systems

2009 ◽  
Vol 26 (3) ◽  
pp. 305-316 ◽  
Author(s):  
R. Braun ◽  
W. Braue ◽  
M. Fröhlich ◽  
C. Leyens ◽  
P.Eh. Hovsepian
Keyword(s):  
Thermal Protection ◽  
Thermally Grown Oxide ◽  
Oxide Scales ◽  
Thermal Protection Systems ◽  
Protection Systems ◽  
Thermally Grown
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