Dery Corredor

• Master of Engineering
• Professor at Corporacion Universitaria Minuto de Dios - UNIMINUTO

La firma del acuerdo para la terminación del conflicto armado, la apertura económica, la adopción de los Objetivos de Desarrollo Sostenible, la firma del Acuerdo de París para el Cambio Climático y el ingreso de Colombia a la Organización para la Cooperación y el Desarrollo Económico, configuran un escenario con importantes retos y profundas transf...

Fissures in concrete structures result from structural deterioration and inadequate building processes, among other factors. Traditional in situ repair is often expensive and complex. For this reason, self-healing techniques have been developed, such as the use of bacteria that precipitate calcium carbonate and seal fissures. However, adding bacter...

El desarrollo reciente en la ingeniería propone el uso de materiales compuestos reforzados a partir de fibras naturales, lo cual genera la iniciativa de estudiarlos mediante herramientas sofisticadas. En esta investigación se muestran los resultados de la caracterización morfológica y nanomecánica como dureza (nanoidentación), rugosidad y topografí...

We present here an innovative building technique, which uses ecological, inexpensive and environmentally friendly materials. These compressed earth blocks seem to be very good for building purposes and that is why we have characterized three types of compressed earth blocks (CEB, named by their color as yellow, grey and red) mineralogically by mean...

The dispersion strengthened copper alloys obtained by mechanical alloying (MA) followed by elevated temperature treatment are attractive due to their excellent combination of thermal and electrical conductivities, strength and microstructural stability. The strengthening of pure copper is provided by mechanical milling with 0.5% of ZrB2 and 1 or 0....

Metal matrix composites (MMC) of copper and ZrC powders were prepared by the powder metallurgy route. Powders of both materials were introduced in stainless steel jag and mechanically mixed in a planetary mill under a protective atmosphere of argon during time ranging from 4 to 30 h. A characterization study of resulting powders indicated that a st...

New copper-based composites are developed via powder metallurgy and strengthened through the dispersion of ceramics. The preparation of these alloys is carried out in two stages: (a) mechanical alloying (MA) in a planetary mill of high energy and (b) consolidation by hot uniaxial pressure followed by hot rolling. The behavior of the mechanical and...

In this work, mechanical and electrical properties of copper base composites alloy sstrengthened by dispersed TiB<SUB>2</SUB> particles are characterized. Powders of copper and TiB<SUB>2</SUB> were mechanically ball milled in a planetary mill during 12 and 36 h under a protective atmosphere of argon. Resulting powders were compacted uniaxially at 9...

In this work, mechanical and electrical properties of copper base composites alloys strengthened by dispersed TiB2 particles are characterized. Powders of copper and TiB2 were mechanically ball milled in a planetary mill during 12 and 36 h under a protective atmosphere of argon. Resulting powders were compacted uniaxially at 923 K under 90 MPa duri...