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Title: Laser cladding and thermal spray coatings on steel pipe serving the oil and gas industry.
Authors: Almeida, Natália Chaves
Cândido, Luiz Cláudio
Faria, Geraldo Lúcio de
Lima, Milton Sérgio Fernandes de
Trindade, Vicente Braz
Keywords: Laser cladding
Thermal spray coating
Issue Date: 2016
Citation: ALMEIDA, N. C. et al. Laser cladding and thermal spray coatings on steel pipe serving the oil and gas industry. Journal of Material Science & Engineering, v. 5, p. 1-6, 2016. Disponível em: <>. Acesso em: 29 set. 2017.
Abstract: Different coating systems were characterized using a commercial API 5CT steel grade L80 type 1, which is commonly used in the oil and gas industry. Two Ni-based alloys and one Co-based alloy were deposited by laser cladding. Two coatings were deposited (Ni-based alloy and a composite W-C/Co-base) by means of thermal spray process. It has been shown the presence of a hard heat affected zone (HAZ) in the substrate for the as-laser deposited coating. The main explanation for this HAZ is devoted to the heat gradient causing a gradient on the prior austenite grain size and consequently different martensite hardness along the HAZ. For the thermal sprayed coatings, no HAZ was formed due to low heat input process. All the studied coating systems seem to be very interesting for different technically demanding applications, such as, stress sulfide corrosion and wear resistance.
ISSN:  2169-0022
metadata.dc.rights.license: This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Fonte: o próprio artigo.
Appears in Collections:DECIV - Artigos publicados em periódicos

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