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English to Turkish: Investigation of ballistic impact properties and fracture mechanisms of Ti3SiC2 ternary ceramics General field: Tech/Engineering Detailed field: Materials (Plastics, Ceramics, etc.)
Source text - English The deformation response of Ti3SiC2 ternary ceramics have been investigated by performing ballistic impact experiments at a range of low velocities. The reactively hot pressing compacts with an off-stoichiometric ratio were predominantly Ti3SiC2phase (99.13 vol.%) and the grains were elongated in shape with a grain size of 3–8m. The bulk modulus (196 GPa) was slightly lower than that calculated by fitting the pressure versus lattice volume data with the Birch–Murnaghan equation (206 GPa), and that predicted by using the first-principle computational technique (204 GPa). The typical fracture surface of the fragments was failed by transgranular fracture combined with intergranular fracture. Most fracture mechanisms were similar to energy-absorbing mechanisms observed in the vicinity of the indentation. The dynamically impacted fragments of Ti3SiC2 contained dislocations and stacking faults, grouped in bands extending from the grain boundaries and ending in the grain. The Si plane was depleted and the remaining thin lamella consisted of six close-packed Ti planes, with five C planes in-between, showing identical stacking as {111}planes in TiC. The Hugoniot elastic limit and the hydronamic pressure at the HEL point were estimated to be 6 and 3 GPa, respectively.
Translation - Turkish Düşük hızlarda balistik darbe deneyleri gerçekleştirerek Ti3SiC2 üçlü seramiklerinin deformasyon tepkileri araştırılmıştır. Stokiometriye uymayan orana sahip ve reaktif olarak sıcak sıkıtlar dominant olarak Ti3SiC2 fazıdır (Hacimce %99.13) ve 3-8 µm boyutlarındaki taneler şekil olarak uzamıştırlar. Hacimsel modül (196 GPa), hem basınç-latis hacimi verilerini Birch-Murnaghan eşitliğine koyarak bulunandan (206 GPa), hem de birincil kural hesaplama tekniği ile tahmin edilenden (204 GPa) düşüktür. Kırıkların tipik kırılma yüzeyinde taneiçi kırılması ve tanelerarası kırılma görülmektedir. Çoğu kırılma mekanizmaları çentiğin yakınlarında gözlemlenen enerji absorbe edici mekanizmalara benzerdir. Ti3SiC2’nin dinamik olarak etkilenen parçaları, tane sınırlarından uzayan ve tane içinde sona eren dislokasyonlar ve istifleme hataları içermektedir. Si düzlemi bitmiştir ve kalan ince lameller; aralarında beş C düzlemi bulunduran altı sıkı-paket Ti düzleminden oluşmakta ve TiC içerisindeki {1 1 1} düzlemleriyle aynı istiflenmeyi göstermektedirler. Hugoinot elastik limiti ve HEL noktasında hidronamik basıncı sırasıyla 6 ve 3 GPa olarak tahmin edilmiştir.
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Years of experience: 16. Registered at ProZ.com: Jul 2013.
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I am currently a Master of Science (M.Sc) degree student of Metallurgical and Materials Engineering. I have been learning English since the 3rd grade of Elementary school and loving it. I started doing translation work when I started my Bachelor of Science (B.Sc) degree in 2008. I have mostly done technical and engineering translations, but I also have done some law and politics translations on the side.
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