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Saturday, August 15, 2020 | History

4 edition of A surface tension study on conventional polycrystalline and nanocrystalline nickel found in the catalog.

A surface tension study on conventional polycrystalline and nanocrystalline nickel

Chun Kai Hsiao

A surface tension study on conventional polycrystalline and nanocrystalline nickel

by Chun Kai Hsiao

  • 55 Want to read
  • 36 Currently reading

Published by National Library of Canada in Ottawa .
Written in English


Edition Notes

Thesis (M.A.Sc.) -- University of Toronto, 2002.

SeriesCanadian theses = -- Th`eses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative.
ID Numbers
Open LibraryOL20684523M
ISBN 100612740951
OCLC/WorldCa54372819

Synthesis, characterization and dielectric properties of nanocrystalline nickel Sourav Das1*, N P Lalla2 & G S Okram2 1Department of Applied Physics, Indian School of Mines, Dhanbad , India 2UGC-DAE Consortium for Scientific Research, Indore , India *E-mail: [email protected] title = "Macroscopic single-domain graphene growth on polycrystalline nickel surface", abstract = "We used low-energy electron microscopy to observe, in situ, the growth of graphene sheets on a polycrystalline Ni substrate through surface segregation ritacrossley.com by:

A detailed experimental study of the influence of crystal quality on the piezoresistive properties of n-type cubic silicon carbide grown by low temperature, low pressure chemical vapor depostion is presented. We have measured the longitudinal gauge factor in single-crystalline, polycrystalline, and nanocrystalline films as a function of conductivity and temperature as well as its directional Cited by: Nov 16,  · It is in contrast to the conventional x-ray pole figure which gives the average texture information of the entire polycrystalline film. Examples of the surface pole figure construction processes of a fibre texture and a biaxial texture are illustrated using Ru .

Processes such as coalescence, sintering, and evaporation depend on the surface tension. We have evaluated the surface tension of free gold nanoparticles from the size-dependent evaporation data. A value of N/m has been obtained, which is in very good agreement with other theoretical models, and the values deduced from the size-dependent lattice parameter. STUDY OF SURFACE PASSIVATION BEHAVIOR OF CRYSTALLINE SILICON SOLAR CELLS by HAIDER ALI ritacrossley.com, National Institute of Technology, Srinagar, India, M.E., Indian Institute of Science, Bangalore, India, A dissertation submitted in partial fulfilment of the requirements for the degree of Doctor of PhilosophyAuthor: Haider Ali.


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A surface tension study on conventional polycrystalline and nanocrystalline nickel by Chun Kai Hsiao Download PDF EPUB FB2

M.Y. Gutkin, in Nanostructured Metals and Alloys, Introduction. Outstanding mechanical properties of nanocrystalline metals (NCMs) have attracted much attention since the end of the s when first NCMs had been fabricated and studied.

In particular, it became at once clear that the behavior of defects and mechanisms of plastic deformation in NCMs and conventional polycrystalline. Nanocrystalline metals exhibit different microstructures and mechanical behaviors compared to their conventional coarse-grained polycrystalline counterparts.

Nanocrystalline metals possess a relatively large number of grain boundaries and can be expected to. We present a comparative study of thermomechanical properties of nano-polycrystalline nickel (nano-Ni) and micrometer-polycrystalline nickel (micron-Ni) by in situ high pressure-temperature (P-T.

JOURNAL OF MATERIALS SCIENCE40()– LETTERS Corrosion behaviors of nanocrystalline and conventional polycrystalline copper J. YU, E. HAN∗,ritacrossley.com,X. WEI State Key Laboratory for Corrosion and Protection of Metals, Institute of Metals Research, the Chinese.

well as indentation measurements to study equation of state, constitutive properties, and hardness of nanocrystal-line and bulk nickel. Our lattice volume–pressure data present a clear evidence of elastic softening in nanocrys-talline Ni as compared with the bulk nickel.

We show that the enhanced overall compressibility of nanocrystalline NiCited by: 6. May 14,  · Abstract. Commercially available polycrystalline nickel (Ni; grain size: 30 μm) and electrodeposited nanocrystalline nickel (grain size: 30 nm) were analyzed for the phenomena of in-situ heat generation and strain localization during plastic deformation at room ritacrossley.com by: 2.

Commercially available polycrystalline nickel (grain size: 30 µm) and electrodeposited nanocrystalline nickel (grain size: 30 nm) were analyzed for the effect of stress-induced heat generation during plastic deformation at room temperature.

Tensile coupons in conformance to ASTM E8 standard were tested at a strain rate of /s to record the amount heat dissipated using a high resolution Author: T. Chan, David Backman, R. Bos, T. Sears, I. Brooks, Uwe Erb. The study of polycrystalline nickel metal oxidation by water vapour Article (PDF Available) in Journal of Electron Spectroscopy and Related Phenomena () · December with Reads.

Feb 22,  · To enhance nucleation of diamond on graphite, we used a plethora of techniques such as plasma etching, ion bombardment, manual scratching, and scratching by ultrasonic agitation.

Nanocrystalline and polycrystalline diamond thin-films were grown by MPECVD on the surface of pre-treated or pristine graphite using, and kW microwave ritacrossley.com by: 3.

Nov 01,  · The work hardening behavior of electrodeposited nanocrystalline (grain size: nm) and fully annealed polycrystalline nickel (grain size: µm) was examined by hardness indentation analysis.

First, plastic strain was introduced into the materials through large Rockwell hardness indentations. A series of Vickers micro-hardness traces below and away from the Rockwell indentation then Cited by: 2. Structural study of nanocrystalline nickel thin films Nanocrystalline nickel (nc-Ni) is a very interesting material due to its enhanced mechanical (Siow et al., ; Yang & Vehoff, ), dicular to the sample surface, and parallel to the sample surface but.

Because of the atomic thinness of graphene, its integration into a device will always involve its interaction with at least one supporting substrate, making the surface energy of graphene critical to its real-life applications.

In the current paper, the contact angle of graphene synthesized by chemical vapor deposition (CVD) was monitored temporally after synthesis using water, diiodomethane Cited by: Mechanical Property Evaluation of Electrodeposited Nanocrystalline Metals by Micro-testing. Rinaldi et al.

and Jang and Greer have investigated nickel nanocrystalline nano-pillars. However, their trends for strength as a function of sample size show opposite trend: Jang and Greer observe a “smaller is weaker” power-law dependence in Author: Takashi Nagoshi, Tso-Fu Mark Chang, Masato Sone.

Feb 15,  · Read "An investigation on the effect of surface morphology and crystalline texture on corrosion behavior, structural and magnetic properties of electrodeposited nanocrystalline nickel films, Applied Surface Science" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Compared to conventional polycrystalline Ni, nanocrystalline Ni electrodeposits exhibited drastically reduced wear rates and lower coefficients of friction as determined in dry air pin-on-disc tests. the surface of nanocrystalline nickel is more susceptible to corrosion than bulk nickel.

comparatively little study has been conducted on. Table of Polymer Surface Tensions. Calculated and experimental values of surface tension of polymers; Compound. Start studying Materials Science.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ionic transport in nanocrystalline solid oxides is of considerable current interest. Several studies have reported room-temperature proton conductivity in nanoscaled 8 mol% Y2O3-doped zirconia (YSZ), although the location of the transport species is not clear.

In this study, nanocrystalline YSZ with a grainCited by: Start studying Chapter 1: Introduction to Materials Science and Engineering. Learn vocabulary, terms, and more with flashcards, games, and other study tools. TOPICAL REVIEW Surface texture evolution of polycrystalline and nanostructured films: RHEED surface pole figure analysis F Tang, T Parker, G-C Wang and T-M Lu Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, 8th Street, Troy, NYUSA Received 13 Augustin final form 18 September.

Jan 01,  · Pulsed electrodeposition is a simple, yet versatile method for the production of nanostructured metals. For n-nickel we determine the influence of the physical and chemical deposition parameters on the nanostructure of the deposits and demonstrate that the grain size can be tuned to values between 13 and 93 nm, with rather narrow grain size ritacrossley.com by: The oxidation of a polycrystalline tin foil was examined using Auger electron spectroscopy (AES), x‐ray photoelectron spectroscopy (XPS), scanning Auger microscopy (SAM), ion scattering spectroscopy (ISS), and electron‐stimulated desorption (ESD).

An oxidation state which does not correspond to SnO or SnO 2 has been identified using XPS and retarding mode AES at low oxygen exposures Cited by: To enhance nucleation of diamond on graphite, we used a plethora of techniques such as plasma etching, ion bombardment, manual scratching, and scratching by ultrasonic agitation.

Nanocrystalline and polycrystalline diamond thin-films were grown by MPECVD on the surface of pre-treated or pristine graphite using, and kW microwave ritacrossley.com by: 3.