Natural tourmaline as an efficient alternative to ceramic-type material for plasma spraying

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F18%3A00490095" target="_blank" >RIV/61389021:_____/18:00490095 - isvavai.cz</a>

Alternative codes found

RIV/00023272:_____/18:10134107 RIV/68407700:21220/18:00330335

Result on the web

<a href="http://dx.doi.org/10.17159/2411-9717/2018/v118n4a9" target="_blank" >http://dx.doi.org/10.17159/2411-9717/2018/v118n4a9</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17159/2411-9717/2018/v118n4a9" target="_blank" >10.17159/2411-9717/2018/v118n4a9</a>

Result language

angličtina

Original language name

Natural tourmaline as an efficient alternative to ceramic-type material for plasma spraying

Original language description

Expensive synthetic materials are often used to prepare coatings deposited by plasma spraying. We selected natural mineral tourmaline as an inexpensive alternative material and sprayed it successfully, forming a ceramic-like coating. The experimental powder for spraying was as-mined tourmaline schorl, and was crushed and sieved to the proper size for plasma spraying with a hybrid water-argon stabilized plasma torch (WSP-H). Deposits on metallic and ceramic substrates, as well as self-supporting plates and samples annealed in air at 1 000 °C, were further studied by optical microscopy, X-ray diffraction, thermal and mechanical analysis, and optical reflectance tests. The results showed that the coatings are highly porous (44 ± 8 % in the most extreme case) and partly amorphous. The crystallinity depended on the process parameters. During subsequent annealing tourmaline decomposed to a mullite-like phase and hematite whereas this process was accompanied by a microhardness increase. Plasma spraying of a material with structurally bonded water and with incongruent melting, where both factors are being considered as large disadvantages, was demonstrated

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20701 - Environmental and geological engineering, geotechnics

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of the Southern African Institute of Mining and Metallurgy

ISSN

2225-6253

e-ISSN

—

Volume of the periodical

118

Issue of the periodical within the volume

4

Country of publishing house

ZA - SOUTH AFRICA

Number of pages

7

Pages from-to

387-393

UT code for WoS article

000432973700009

EID of the result in the Scopus database

2-s2.0-85047975821