Zobrazeno 1 - 10
of 60
pro vyhledávání: '"H. Mancha"'
Publikováno v:
Revista de Metalurgia, Vol 31, Iss 6, Pp 386-393 (1995)
Se presentan los resultados de un estudio de reducción directa de un mineral de celestita utilizando CO como agente reductor. Para explicar la velocidad de reducción observada, se propone un modelo cinético, basado en tres mecanismos: reacción qu
Externí odkaz:
https://doaj.org/article/c2e4048ef6ca4c1abd43c688e53af8cf
Akademický článek
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Autor:
J. C. Escobedo Bocardo, H. Mancha Molinar, M.J. Castro Román, I. Aguilera Luna, M. Herrera Trejo
Publikováno v:
Materials Science and Engineering: A. 561:1-6
Novel multi-stage solution heat treatments were applied to an Al–Si–Cu–Mg industrial aluminum alloy to improve its tensile properties. Two and three-stage solution treatments were tested, varying the secondary dendritic arm spacing (SDAS) and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39b7a03540bb2275bae872642cc86b95
https://doi.org/10.1016/j.msea.2012.10.064
https://doi.org/10.1016/j.msea.2012.10.064
Publikováno v:
Materials & Design. 31:343-356
An experimental study was carried out to determine the effect of strontium (Sr) on the characteristic of intermetallic phases, particularly the Al5FeSi phase which present morphology of platelets or needle-like. The results showed that within the ran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9acde5d6da3a0b410230b77a6f793834
https://doi.org/10.1016/j.matdes.2009.06.017
https://doi.org/10.1016/j.matdes.2009.06.017
Publikováno v:
Materials Science and Engineering: A. 519:128-140
In this work, the tensile properties and ductility of an Al-A319 alloy were investigated as a function of temperature and heat treatment. Tensile testing was carried out at temperatures ranging from −90 to 400 °C for the alloy in (a) the as-cast c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d9a632f159ac603cfc3553cb7336c16
https://doi.org/10.1016/j.msea.2009.05.022
https://doi.org/10.1016/j.msea.2009.05.022
Publikováno v:
Materials Science and Engineering: A. :682-687
The tensile properties of an as-cast A319 alloy were investigated as a function of temperature. It was found that the A319-Al alloy remained inherently brittle in the temperature range of −90 °C T T > 270 °C the mode of failure shifts to being es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ea1b5348f1f04521f59edad2637f167
https://doi.org/10.1016/j.msea.2006.11.029
https://doi.org/10.1016/j.msea.2006.11.029
Publikováno v:
Materials & Design. 28:1038-1044
The effect of cooling rate, chemical composition, and type of heat treatment and microstructural architecture of cast Al–Si 319 industrial alloy has been quantified using the cumulative Weibull distribution. This allows a particular figure to quant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c0e6a730f08c80777c7a25405c3ea51
https://doi.org/10.1016/j.matdes.2005.10.013
https://doi.org/10.1016/j.matdes.2005.10.013
Publikováno v:
Materials & Design. 28:428-433
This study was done choosing, the automotive aluminum alloy 319, to know how copper content act over Si, Cu and Fe particles versus applied different loads (stress) and cooling rate. This was done to know which particles fracture according to the mor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::747f362172f958bfd9d5bbf81937bc7a
https://doi.org/10.1016/j.matdes.2005.09.021
https://doi.org/10.1016/j.matdes.2005.09.021
Publikováno v:
Corrosion Science. 48:913-924
The effect of grain size on the exhibited stress corrosion cracking (SCC) resistance of an austenitic stainless steel containing 0.97 wt.% nitrogen was investigated in this work. In order to vary the grain size, the as-received steel (AR) was heat tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1cbc4f27e6e02dba11882d9efb8869c
https://doi.org/10.1016/j.corsci.2005.02.017
https://doi.org/10.1016/j.corsci.2005.02.017
Autor:
G. Mendoza-Suárez, O.E Ayala-Valenzuela, M.C Cisneros-Morales, H Mancha-Molinar, K. K. Johal, M.M Cisneros-Guerrero, Jose Ivan Escalante-Garcia
Publikováno v:
Materials Chemistry and Physics. 77:796-801
The magnetic properties and the microstructure of Ba-ferrite powders prepared by the sol–gel route were investigated. Amorphous gels were processed with a varying Fe/Ba ratio and then powder materials were obtained by heat treating at temperatures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ea5ad66827a42ea586001f138d4ba3e
https://doi.org/10.1016/s0254-0584(02)00141-4
https://doi.org/10.1016/s0254-0584(02)00141-4