دورية أكاديمية

Microstructure of alumina-matrix composites reinforced with nanometric titanium and titanium carbide dispersions

التفاصيل البيبلوغرافية
العنوان: Microstructure of alumina-matrix composites reinforced with nanometric titanium and titanium carbide dispersions
المؤلفون: Refugio-García, Elizabeth, Hernández-Silva, David, Terrés-Rojas, Eduardo, Rodríguez-García, José Amparo, Rocha-Rangel, Enrique
المصدر: Materials Research. December 2012 15(6)
بيانات النشر: ABM, ABC, ABPol, 2012.
سنة النشر: 2012
مصطلحات موضوعية: alumina-composites, metallic-renforcements, cementation packing process
الوصف: The synthesis of alumina (Al2O3)-composites having different amount of very fine titanium and titanium carbide reinforcement-particles has been explored. Two experimental steps have been set for the synthesis; the first step consisted of the pressureless-sintering of Al2O3-titanium powders which were thoroughly mixed under high energy ball-milling and through the second step it was induced the formation of titanium carbide during different times at 500 ºC by the cementation packing process. SEM and EDS analysis of the microstructures obtained in both sintered and cemented bodies were performed in order to know the effect of the activated carbon used as cementing agent on the titanium for each studied composite. It was observed that a titanium carbide layer growth from the surface into the bulk and reaches different depth as the titanium content in the composites increases. On the other hand, the use of ductile titanium notably enhanced density level and fracture toughness of the composites.
نوع الوثيقة: article
وصف الملف: text/html
اللغة: English
تدمد: 1516-1439
DOI: 10.1590/S1516-14392012005000110
الوصول الحر: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000600010Test
حقوق: info:eu-repo/semantics/openAccess
رقم الانضمام: edssci.S1516.14392012000600010
قاعدة البيانات: SciELO
الوصف
تدمد:15161439
DOI:10.1590/S1516-14392012005000110