Gênese de horizonte coeso, fragipã e duripã em solos do tabuleiro costeiro do sul da Bahia Genesis of hardened horizons, fragipan and duripan in soils of the coastal tablelands of south Bahia

Autor: Ana Maria Souza dos Santos Moreau, Liovando Marciano da Costa, João Carlos Ker, Felipe Haenel Gomes

Publikováno v: Revista Brasileira de Ciência do Solo, Vol 30, Iss 6, Pp 1021-1030 (2006)

A gênese de horizontes coesos em solos tem explicações não consistentes e, em muitos casos, contraditórias. Objetivou-se avaliar, em solos dos tabuleiros costeiros, os possíveis mecanismos físicos, químicos e mineralógicos que ocasionam o en

Externí odkaz: https://doaj.org/article/b78edc15deb847e5a33e493bd39a898b

A new method of low-temperature cementation of stainless steel by decomposition of C2H2 in low-energy electron beam generated plasma

Autor: P. A. Skorynina, A. I. Menshakov

Publikováno v: Journal of Physics: Conference Series

The method of low-temperature (400-500?C) cementation of AISI430 stainless steel by decomposition of acetylene in a wide (100 cm2) low-energy (200-300 eV) electron beam generated plasma in an Ar+C2H2 gas mixture was investigated. The composition of a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7581ffa47ba0a920cd65e920066773e6
http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85077962649

Distortion and residual stress measurements of induction hardened AISI 4340 discs

Autor: Michael A. Gharghouri, J. Yi, Mamoun Medraj, Philippe Bocher

Publikováno v: Materials Chemistry and Physics. 142:248-258

10 Induction hardened discs with two initial hardness levels were used for exploring the influences of the variation of initial hardness as well as induction hardening (IH) recipes on the heat treatment distortions and hardening depth. The results sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9007175fb46a72aaabc0eb6f16f71fc3
https://doi.org/10.1016/j.matchemphys.2013.07.012

Microstructural evolution and mechanical properties of oil jet peened aluminium alloy, AA6063-T6

Autor: R. Gnanamoorthy, M. Kamaraj, N. Arun Prakash

Publikováno v: Materials & Design. 31:4066-4075

Grain size refinement by severe surface plastic deformation is one way of improving the surface properties. This paper describes the microstructural evolution due to severe surface plastic deformation by oil jet peening in aluminium alloy, AA6063-T6.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f629e6cb840248f7c07db7b459081442
https://doi.org/10.1016/j.matdes.2010.04.057

Effect of Chromium Content on the Oxidation Behavior of Ni-Cr Model Alloys in Superheated Steam

Autor: Benoît Ter-Ovanessian, Fethi Hamdani, Hiroshi Abe, Bernard Normand, Yutaka Watanabe

Publikováno v: Metallurgical and Materials Transactions A
Metallurgical and Materials Transactions A, Springer Verlag/ASM International, 2015, 46 (5), pp.2285-2293. ⟨10.1007/s11661-015-2786-7⟩

cited By 3; International audience; The present study investigated the oxidation behavior of Ni-xCr model alloys (14 ≤ x ≤ 30 wt pct) in steam at 973 K (700 °C), with particular emphasis on the influence of chromium content. Mirror polishing was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b605c1368b39baa52166a3f4d6f8756c
https://hal.archives-ouvertes.fr/hal-01804708