Al-4.5%Cu alloy was used as a matrix at2%,4%and6%of bamboo leaf ash(BLA)which was extruded from agro waste and was used as reinforcement.The composite which was fabricated by stir casting method possessed superior pro...Al-4.5%Cu alloy was used as a matrix at2%,4%and6%of bamboo leaf ash(BLA)which was extruded from agro waste and was used as reinforcement.The composite which was fabricated by stir casting method possessed superior properties due to an effective bonding between matrix and reinforcement particles.The fabricated composite specimens were subjected to various tests to determine the mechanical properties such as density,porosity,hardness and tensile strength.The results were compared with basic matrix alloy.Furthermore,the OM,SEM with EDAX and XRD analyses were carried out to analyze the dispersion of the reinforced particles in the selected matrix alloy.It was observed that the homogeneous distribution of BLA particles in composites was intragranular in nature.Moreover,it was also observed that BLA particles were well bonded with matrix alloy with clear interface.It was also found that the density decreased with increase in mass fraction of BLA particles and porosity increased with increase in mass fraction of BLA particles.The hardness and tensile strength were increased up to4%of BLA in the composite,with a further increase in BLA content the hardness and tensile strength decreased.展开更多
The 5°S-10°S band in the Indian Ocean,named recently as Seychelles-Chagos Thermocline Ridge (SCTR),is a region where several phenomena of significant climatic influence build up.It is a generation region for...The 5°S-10°S band in the Indian Ocean,named recently as Seychelles-Chagos Thermocline Ridge (SCTR),is a region where several phenomena of significant climatic influence build up.It is a generation region for tropical cyclones striking the inhabited islands in the Indian Ocean and the African coast.It was recently shown that it is one of the regions where atmospheric intraseasonal variability (e.g.Madden Julian Oscillation,MJO) is展开更多
基金the National Institute of Technology,Manipur,Imphal-India for financial support to carry out the experiment by Mr. B. Praveen Kumar,full time research scholar,enrolment number (15PME004),under the guidance of Dr. Anil Kumar Birru,assistant professor and head of Department of Mechanical Engineering,NIT MANIPUR
文摘Al-4.5%Cu alloy was used as a matrix at2%,4%and6%of bamboo leaf ash(BLA)which was extruded from agro waste and was used as reinforcement.The composite which was fabricated by stir casting method possessed superior properties due to an effective bonding between matrix and reinforcement particles.The fabricated composite specimens were subjected to various tests to determine the mechanical properties such as density,porosity,hardness and tensile strength.The results were compared with basic matrix alloy.Furthermore,the OM,SEM with EDAX and XRD analyses were carried out to analyze the dispersion of the reinforced particles in the selected matrix alloy.It was observed that the homogeneous distribution of BLA particles in composites was intragranular in nature.Moreover,it was also observed that BLA particles were well bonded with matrix alloy with clear interface.It was also found that the density decreased with increase in mass fraction of BLA particles and porosity increased with increase in mass fraction of BLA particles.The hardness and tensile strength were increased up to4%of BLA in the composite,with a further increase in BLA content the hardness and tensile strength decreased.
文摘The 5°S-10°S band in the Indian Ocean,named recently as Seychelles-Chagos Thermocline Ridge (SCTR),is a region where several phenomena of significant climatic influence build up.It is a generation region for tropical cyclones striking the inhabited islands in the Indian Ocean and the African coast.It was recently shown that it is one of the regions where atmospheric intraseasonal variability (e.g.Madden Julian Oscillation,MJO) is
