Güncel Gönderiler: Makine Mühendisliği Bölümü
Toplam kayıt 117, listelenen: 41-60
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Indentation fracture toughness of boronized unalloyed and alloyed ductile iron
(Elsevier Science SA, 2021)This study was carried out to investigate the fracture toughness of boride layers in ductile irons using a Vickers indentation method and to demonstrate the method’s reliability. For this purpose, alloyed (Cu, Ni, and Mo) ... -
Tekrarlanan işlerde algılanan zihinsel iş yükü
(Balıkesir Üniversitesi, 2021)Gün içerisinde gerçekleştirilen işlerin ağırlığı, tekrarlı ve sürekli olması çalışanları zorlamakta ve zamanla kas iskelet sistemi rahatsızlıklarına yol açabilmektedir. Endüstride genelde işin yaratacağı fiziksel etkileri ... -
3 boyutlu yazıcı ile üretilen ABS ve karbon fiber takviyeli ABS kompozitlerde üretim parametrelerinin mekanik özelliklere etkisi
(Balıkesir Üniversitesi, 2021)Son yıllarda 3 boyutlu yazıcı teknolojisi ile parça üretimi hızla yaygınlaşmıştır. Geleneksel üretim yöntemlerine göre son derece karmaşık yapıya sahip parçalar çok kısa sürede, düşük maliyetle, hemen hemen hiçbir atık ... -
AZ31B-H24 magnezyum alaşımının sürtünme karıştırma yöntemiyle kaynak edilebilirliğinin incelenmesi
(Balıkesir Üniversitesi, 2021)Magnezyum ve alaşımları, hafifliği ve yüksek spesifik mukavemeti nedeni ile endüstride kullanımı oldukça yaygın olan metal olup otomotiv ve uzay-uçak sanayilerindeki mühendislik uygulamalarında ön plana çıkmıştır. Magnezyum ... -
Calculation of energy consumption and emissions of buildings in capitals of european with the degree-day method
(Yıldız Teknik Üniversitesi Rektörlüğü, 2021)In this study, firstly, for the building envelope properties of a reference building from TS 825 insulation standard, for 20 capitals selected from Europe, the minimum insulation thicknesses are calculated with different ... -
Assessment of fuel cell studies with particle image velocimetry applications: A key review
(Pergamon-Elsevier Science Ltd, 2021)Fuel cells are considered to be a promising system that is utilized in several applications and in various sectors. Particle image velocimetry is extremely practicable for the exploration of the flow field inside fuel cells ... -
Assessment of the environmental performance of a jet engine due to irreversibility under altitude conditions
(Aeronautical & Astronautical Soc Republic China, 2021)The aviation sector carries out important studies with the awareness of its sectoral responsibility in terms of ensuring its economic sustainability as well as reducing emissions resulting from global climate change. ... -
Effect of quasi-static and intermediate strain rates on the tensile properties of hybrid polymer composites
(Sage Publications Ltd, 2021)This study presents the results of an investigation on the tensile behaviour of hybrid polymer composites under different strain rates. Glass/carbon, aramid/carbon, glass/aramid, and glass/aramid/carbon hybrid laminates ... -
Investigation of mechanical, kinetic and corrosion properties of borided AISI 304, AISI 420 and AISI 430
(Taylor & Francis, 2021)In this study, three different types of stainless steels, AISI 304, AISI 420, and AISI 430 were pack borided under 850 °C–925 °C–1000 °C for 2, 4, and 6 h, respectively. Morphologies of coating were investigated by optical ... -
Process optimization for enhanced tribological properties of Al/MWCNT composites produced by powder metallurgy using artificial neural networks
(IOP Publishing Ltd, 2021)In order to eliminate the agglomeration problem of reinforcement in the nanocomposite, a two-step dispersion process was employed. Under ultra-sonication and ball milling, 1 wt% of multi-walled carbon nanotubes(MWCNTs)were ... -
Life cycle assessment of energy-efficient improvement for external walls of hospital building
(Inderscience Enterprises Ltd, 2021)In this study, life cycle assessment analysis was examined for the insulation material applied to the external walls in hospital building in Balikesir. Optimum insulation thicknesses were calculated depending on different ... -
Investigation of wear properties of quartz filled polyester composites
(Gazi Univ, 2021)Weight loss and wear resistance were examined in the wear of polyester composites with quartz filling. In the load system applied to the sample in wear machine, an abrasive attached to a steel plate that applies axial ... -
Effect of double-sided friction stir welding on the mechanical and microstructural characteristics of AA5754 aluminium alloy
(Walter De Gruyter GMBH, 2021)AA5754Al alloy is widely used in industry. However, as in the case of all Al alloys, the 5xxx series Al alloys cannot be easily joined through fusion welding techniques. To address this problem, in this study, the effect ... -
Effect of lead metaborate as novel nanofiller on the ballistic impact behavior of Twaron (R) /epoxy composites
(Elsevier, 2021)In the present work, lead metaborate nanoparticles (55 +/- 10 nm) as a novel type of nano-fillers was used in order to increase the ballistic performance of aramid fabrics. The nanoparticles were synthesized by co-precipitation ... -
Experimental investigation of mechanical properties for injection molded pa66+pa6i/6t composite using rsm and grey wolf optimization
(Tubitak, 2020)In this study, a multi-objective optimization method was used to improve the mechanical properties and manufacturing conditions of reinforced polyamide 66+PA6I/6T polymer based on injection molding process parameters. For ... -
An investigation of the greenhouse gas emissions in european countries buildings according to the life-cycle
(Institute of Electrical and Electronics Engineers, 2020)In this study, greenhouse gas emissions such as carbon dioxide and nitrogen oxides for Bruxelles, Sofia, Prague, Berlin, Madrid, Tallinn, Helsinki, Paris, Athens, Budapest, Rome, Amsterdam, Oslo, Warschau, Stockholm, and ... -
The effect of shading factor for single and double glazing according to solar heat gain / window heat loss ratio in Turkey for residential buildings
(IOP Publishing, 2020)In this study, solar heat gains due to solar radiation and heat losses due to air temperature difference between outdoor and indoor from single and double glazed windows for the heating period in residential buildings were ... -
Volatile organic compounds in aircraft cabins
(Inderscience Enterprises Ltd, 2020)The air quality of aircraft cabins has become a significant issue over the past few decades. In general, the existing air comfort regulations and standards for aircrafts are associated with the emissions of CO, CO2, O-3 ... -
Optimum operating temperature range of phase change materials used in cold storage applications: A case study
(Springer International Publishing Ag, 2020)The storage of latent heat, one of the thermal energy storage systems (TESs), is now used in cold storage applications. PCM's use in the refrigeration industry has been integrated into systems without mechanical chiller, ... -
Life cycle cost analysis of the buildings in Turkey related to energy consumption due to external wall insulation
(Springer International Publishing Ag, 2020)For five different climate zones which specified on Turkey building thermal insulation standard (TS 825) depending on the different thermal insulationmaterials, minimum insulation thickness, life cycle saving (LCS), life ...
