Experimental study of the effect of strong shock heated test gases with cubic zirconia
V. Jayaram1*, K. P. J. Reddy2
1Shock Induced Materials Chemistry Lab, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
2Laboratory for Hypersonic and Shock Wave Research, Department of Aerospace Engineering, Indian Institute of Science, Bangalore 560012, India
Adv. Mater. Lett., 2017, 8 (2), pp 150-155
DOI: 10.5185/amlett.2017.6379
Publication Date (Web): Dec 27, 2016
Copyright © 2019 VBRI Press
E-mail: jayaram@sscu.iisc.ernet.in, drjayaramv@gmail.com
This paper presents a novel method of interaction of zirconia with strong shock wave in presence of dissociated/non-dissociated gas species for short duration using shock tube. Cubic zirconia (c-ZrO2) was synthesized by solution combustion method and exposed to strong shock heated N2 and O2 test gases in a free piston driven shock tube (FPST). FPST is used to heat the test gases to very high temperature of about 7540-9530 K (estimated) and reflected shock pressure of about 65-70 bar for short duration (2-3 ms). X-ray diffraction (XRD) study shows the phase transformation of c-ZrO2 to m-ZrO2. Scanning electron microscopy (SEM) images shows the formation of sharp nano/micro zirconia needles due to melting and nucleation during super heating and cooling at the rate of about 106 K/s. These types of sharp nano/micro needles are observed for the first time in this shock tube experiment. X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR) spectroscopy show no change in electronic structure and chemical composition of ZrO2 which indicates that the reaction is fully catalytic. This unique experimental methodology can be used to study the chemistry of materials under extreme thermodynamic conditions which is of seminal importance in space, nuclear and other high temperature applications.
Phase transformation, shock heated gas, gas-solid interaction, nano/micro zirconia needles, aerothermodynamic reactions.
Healthcare informatics driven nanotechnology
Brief Review: Simulation of Novel Systems Using Duality Quantum Algorithm
Significant Quality Parameters of Finishing Technology in Offset Printing on Solid Board Boxes Depending on the type of Material
Generation of entanglement in spin states of Rydberg atoms by chirped optical pulses
Matrix and Variant Transformations Simulate Statistical Canonical Ensembles from Fock to Poissonian States of Random Sequences
The Vortex Glass-Liquid Transition in Fe1.02Se Crystal
Magnetic Properties of Intercalated Gr/Ni (111) System
Functionalized Nano Carbon for excellent Microwave Absorption at GHz Frequency
Deformation Texture Modelling by Mean-Field and Full-Field Approaches
Growth, Linear and Nonlinear Optical Studies of D-Tartaric Acid Crystal
Graphene-MoS2-Au-TiO2-SiO2 Hybrid SPR Biosensor for Formalin Detection: Numerical Analysis and Development
Microstructure and Mechanical Characterization Study in the IN718/BNi-2/316L Joint by Transient Liquid Phase Bonding Process
Stress Fields at the Central Point of Arc Crack under Uniaxial Tension
Cloud Medicine set to Revolutionize Doorstep Personalized Healthcare
Various surfactants for 0 – 3 dimensional nanocarbons: Separation, exfoliation and solubilization
Polypyrrole based biofunctional composite layer for bioelectrocatalytic device system
Innovative Graphene-PDMS sensors for aerospace applications
Effect of hot drawing process and carbonization temperature in electrochemical behavior of electrospun carbon nanofibers
Chemical Reactivity and Electronical Properties of Graphene and Reduced Graphene Oxide on Different Substrates
Laser Raman micro-spectroscopy as an effective non-destructive method of detection and identification of various sp2 carbon modifications in industry and in nature
Electrochemical promotion of ammonia synthesis with proton-conducting solid oxide fuel cells
Biomimetic surfaces with hierarchical structure using microsized texture and nanosized Cu particles for superhydrophobicity
Enhancement the properties of high and low-density polyethylene membranes by radiation grafting process
Synthesis of 9-Aminoacridine and its Application as an Anode Material for Aqueous Rechargeable Lithium–ion Batteries
Facile synthesis of novel tough and highly flexible biodegradable membranes for water microfiltration
Investigating the possibility of using acetic acid in place of HF in chromium-benzenedicarboxylates (MIL-53 and MIL-101) synthesis applicable for CO2 adsorption
Copyright ©2010-2019 VBRI Press
Full Article