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Online since: September 2023
Authors: Vasily Efremenko, Vadym Zurnadzhy, Hossam Halfa, Yuliia Chabak, Bohdan Efremenko, Alexander Azarkhov, Natalia Zaichuk
Effect of Austempering Parameters on Microstructure and Tensile/Impact Behaviours of Micro-Alloyed TRIP-Assisted Steel
Vadym Zurnadzhy1,2,a*, Vasily Efremenko1,2,b, Hossam Halfa3,c,
Bohdan Efremenko1,d, Alexander Azarkhov1,e, Yuliia Chabak1,2,f,
Natalia Zaichuk4,g
1Pryazovskyi State Technical University, 87555 Mariupol (Dnipro), Ukraine
2Institute of Materials Research, Slovak Academy of Sciences, 04001 Kosice, Slovakia
3Central Metallurgical Research and Development Institute, Eltebbin, Helwan, Cairo, 12422, Egypt
4Lutsk National Technical University, 43018 Lutsk, Ukraine
avadim.zurnadzhy@gmail.com, bvgefremenko@gmail.com, chossamhalfa@gmail.com, dbodyaefr@gmail.com, ealexazarhov@gmail.com, fjulia.chabak25@gmail.com, gn.zaichuk@lntu.edu.ua
Keywords: TRIP-assisted steel, Bainite, Retained austenite, Mechanical properties, Fracture
Abstract.
Materials and Methods The low-carbon TRIP-assisted steel with a chemical composition of 0.20 wt% C, 1.79 wt% Si, 1.73 wt% Mn, 0.55 wt% Cr, 0.20 wt% Mo, 0.11 wt% V, 0.045 wt% Nb, 0.009 wt% S, and 0.013 wt% P was smelted in an induction furnace and poured into graphite molds to obtain the round bars of 50 mm diameter.
Acknowledgements This work was funded by Ministry of Education and Science of Ukraine under the projects No. 0123U100374.
Journal of Friction and Wear 33 (2012), 153–159
Materials and Methods The low-carbon TRIP-assisted steel with a chemical composition of 0.20 wt% C, 1.79 wt% Si, 1.73 wt% Mn, 0.55 wt% Cr, 0.20 wt% Mo, 0.11 wt% V, 0.045 wt% Nb, 0.009 wt% S, and 0.013 wt% P was smelted in an induction furnace and poured into graphite molds to obtain the round bars of 50 mm diameter.
Acknowledgements This work was funded by Ministry of Education and Science of Ukraine under the projects No. 0123U100374.
Journal of Friction and Wear 33 (2012), 153–159
Online since: January 2024
Authors: Raden Darmawan, Sri Rachmania Juliastuti, Michellia Pramoryza, Sashi Agustina, Nisa'ul Afifah Aini
So biopesticides can be interpreted as all biological materials, whether in the form of plants, animals, microbes, or protozoa that can be used to destroy pests and causes of disease in humans, animals and plants.
In addition to these materials, the EPA also includes. 5.
Genetically engineered plants (plant-incorporatedprotectant), which can produce materials (proteins) that are toxic to pests, such as the Bt gene from the bacterium Bacillus thuringiensis.
Research Material The materials used in this study: 1.
Indonesian Journal of Chemical Analysis
In addition to these materials, the EPA also includes. 5.
Genetically engineered plants (plant-incorporatedprotectant), which can produce materials (proteins) that are toxic to pests, such as the Bt gene from the bacterium Bacillus thuringiensis.
Research Material The materials used in this study: 1.
Indonesian Journal of Chemical Analysis
Online since: March 2016
Authors: Manuele Dabalà, Katya Brunelli, Luca Pezzato
In the equivalent circuit, the value of R1 represented the resistance of the solution; the polarization resistance R2 is a measure of corrosion resistance of the material in the environment; a constant phase element (CPE) was used in the equivalent circuit instead of a capacitance because often the measured capacitance is not ideal.
Ding, Surface modification of titanium, titanium alloys, and related materials for biomedical applications, Mat.
Moiseyev, Titanium alloys, Taylor and Francis Editor, 2006 [8] SAE AMS 2488D, Aerospace Material Specification, 2006 [9] T.M.
Science: Materials in Medicine, 3 (1992) 408-412 [12] V.S.
Gnedenkov, Properties of coatings formed on titanium by plasma electrolytic oxidation in a phosphate-borate electrolyte, Russian Journal of Applied Chemistry, 83 (2010) 664-670 [13] F.
Ding, Surface modification of titanium, titanium alloys, and related materials for biomedical applications, Mat.
Moiseyev, Titanium alloys, Taylor and Francis Editor, 2006 [8] SAE AMS 2488D, Aerospace Material Specification, 2006 [9] T.M.
Science: Materials in Medicine, 3 (1992) 408-412 [12] V.S.
Gnedenkov, Properties of coatings formed on titanium by plasma electrolytic oxidation in a phosphate-borate electrolyte, Russian Journal of Applied Chemistry, 83 (2010) 664-670 [13] F.
Online since: August 2017
Authors: Kristin M. de Payrebrune, Matthias Kröger
In combination with models of the workpiece dynamics, the cutting forces and the material removal, the tool grinding process is fully modeled.
Grinding wheel model The grinding wheel is composed of abrasive grains embedded in a binding material.
Manufacturing Science Engineering. 122 (2000) 59–69
O'Donnell, The effect of wheel eccentricity and run-out on grinding forces, waviness, wheel wear and chatter, International Journal of Machine Tools and Manufacture. 51 (2011) 766–774
Kröger, Reduced models of grinding wheel topography and material removal to simulate dynamical aspects in grinding, Int.
Grinding wheel model The grinding wheel is composed of abrasive grains embedded in a binding material.
Manufacturing Science Engineering. 122 (2000) 59–69
O'Donnell, The effect of wheel eccentricity and run-out on grinding forces, waviness, wheel wear and chatter, International Journal of Machine Tools and Manufacture. 51 (2011) 766–774
Kröger, Reduced models of grinding wheel topography and material removal to simulate dynamical aspects in grinding, Int.
Online since: February 2014
Authors: Ding Qiang Li, Jun Jie Li, Mu Ning Zhuo
Acknowledgements
This work was financially supported by the National Natural Science Foundation of China (NSFC No. 41271517,41001183) and Guangdong Natural Science Foundation(No.
The study of theory and method of urban ecological carrying capacity: A case study of Shenzhen[M].Beijing: China environmental science press,2009:4-5
Chinese Journal of Applied Ecology,2011,22(3):593-599
Beijing: China environmental science press, 2005
Beijing: Science press,2010
The study of theory and method of urban ecological carrying capacity: A case study of Shenzhen[M].Beijing: China environmental science press,2009:4-5
Chinese Journal of Applied Ecology,2011,22(3):593-599
Beijing: China environmental science press, 2005
Beijing: Science press,2010
Online since: October 2011
Authors: N. Sankar, K. Ramachandran, M. Ragam
An important way to characterize the defect structure in materials is by means of self-diffusion.
But in nano materials, the most fundamental concept of bulk crystal is lost and so the hopping of atoms between defects and migrating atoms could not be easily visualized.
This is the reason for the development of ab initio and simulation methods for the nano materials.
Even though models are not unique, this model calculations for nano materials need lot of discussions, as given earlier.
Maruti: Canadian Journal of Chemistry, 46 (1968) 2881-2886 [5] H.
But in nano materials, the most fundamental concept of bulk crystal is lost and so the hopping of atoms between defects and migrating atoms could not be easily visualized.
This is the reason for the development of ab initio and simulation methods for the nano materials.
Even though models are not unique, this model calculations for nano materials need lot of discussions, as given earlier.
Maruti: Canadian Journal of Chemistry, 46 (1968) 2881-2886 [5] H.
Online since: January 2020
Authors: Anna V. Ryabova, Elena A. Yatsenko, Lyudmila V. Klimova
Currently accumulated experience in the application of oil-field pipes from steklokompozita materials in the drilling oil and gas industries as casing in the interval of occurrence of the productive formation for wells of a depth of 2400 m.
The work was carried out in USPU(NPI) with the financial support of the Russian science Foundation under the agreement № 18-19-00455 "development of technology for integrated protection of pipelines for oil and gas operated in the Far East of Russia" (head – Elena A.
[5] GOST 10134.1-82 "inorganic Glass and glass-crystal materials.
Fanda, Protection of steel pipelines with glass-enamel coatings based on silica-containing raw materials of the far east of Russia, International Journal of Mechanical Engineering and Technology, 9(10) (2018) 769-774
Klimova, Prospects for the use of silica-containing raw materials of the Far Eastern region in the production of glass materials, News of higher educational institutions.
The work was carried out in USPU(NPI) with the financial support of the Russian science Foundation under the agreement № 18-19-00455 "development of technology for integrated protection of pipelines for oil and gas operated in the Far East of Russia" (head – Elena A.
[5] GOST 10134.1-82 "inorganic Glass and glass-crystal materials.
Fanda, Protection of steel pipelines with glass-enamel coatings based on silica-containing raw materials of the far east of Russia, International Journal of Mechanical Engineering and Technology, 9(10) (2018) 769-774
Klimova, Prospects for the use of silica-containing raw materials of the Far Eastern region in the production of glass materials, News of higher educational institutions.
Online since: August 2015
Authors: B.K. Sahoo, B.K. Sapra
Radon (222Rn) and thoron (220Rn) gases enter into the indoor air through exhalation from soil and building materials used in walls, floors and ceilings [7].
Materials and Methods 2.1.
Selection of house and deployment protocol: Radon level in an environment depends upon several factors such as geology of the location (such as hilly, fault, mineralization), environmental conditions (cold, hot, ventilated, dust level), type of house (Mud, Thatch, Bamboo, Modern), type of building materials used in the house and closing/opening period of door/window (i.e. living style).
Miles, Development of maps of radon-prone areas using radon measurements in houses, Journal of Hazardous Materials 61 (1998) 53–58
Wasiolek, Evaluation of the effectiveness of several air-cleaners for reducing the hazard from indoor radon progeny, Aerosol Science & Technology 19 (1993) 268-278.
Materials and Methods 2.1.
Selection of house and deployment protocol: Radon level in an environment depends upon several factors such as geology of the location (such as hilly, fault, mineralization), environmental conditions (cold, hot, ventilated, dust level), type of house (Mud, Thatch, Bamboo, Modern), type of building materials used in the house and closing/opening period of door/window (i.e. living style).
Miles, Development of maps of radon-prone areas using radon measurements in houses, Journal of Hazardous Materials 61 (1998) 53–58
Wasiolek, Evaluation of the effectiveness of several air-cleaners for reducing the hazard from indoor radon progeny, Aerosol Science & Technology 19 (1993) 268-278.
Online since: October 2016
Authors: Jörg Franke, Jochen Bauer, Sebastian Staub, Jürgen Karl, Dominik Müller
The proposed system consists of the following characteristic properties:
• Linking commercial pellets firing with ORC-module built with mass-produced parts
• Embed the CHP-system into a smart home environment and control system
• Use cheap and proven-in-use hot-water storage tanks as energy buffer
• Gain knowledge to improve users' acceptanceAcknowledgement
The project partners would like to express their sincere thanks to the Bavarian State Ministry of
Education, Science and the Arts for funding MentalHealth@home-project within the E|Home-Center.
International Journal of Energy Research, 33(14):1252-1265, 2009
Gesamtwirtschaft & umwelt - material- & energieflüsse - energieverbrauch - statistisches bundesamt (destatis): Wärmebedarf, 13.03.2015
Gesamtwirtschaft & umwelt - material- & energieflüsse - energieverbrauch - statistisches bundesamt (destatis): Stromverbrauch, 13.03.2015
Journal of Power and Energy Systems, 2(5):1221-1231, 2008
International Journal of Energy Research, 33(14):1252-1265, 2009
Gesamtwirtschaft & umwelt - material- & energieflüsse - energieverbrauch - statistisches bundesamt (destatis): Wärmebedarf, 13.03.2015
Gesamtwirtschaft & umwelt - material- & energieflüsse - energieverbrauch - statistisches bundesamt (destatis): Stromverbrauch, 13.03.2015
Journal of Power and Energy Systems, 2(5):1221-1231, 2008
Online since: October 2013
Authors: Ying Chen, Ning Deng, Xiao Dong Zhu, Yuan Ning Liu, Yan Pu Li
Time Management Model of Workflow Based on Time Axis
Ning Deng1,a, Xiaodong Zhu*1,b, Yuanning Liu1,c, Yanpu Li1,d, Ying Chen2,e
1College of Computer Science and Technology, JiLin University, JiLin Changchun 130012,China
2College of Software, Nanchang Hangkong University, JiangXi Nanchang 330063,China
adylantengjlu@yahoo.com, bzhuxd@jlu.edu.cn, cliuyn@jlu.edu.cn, dpierece_brosnan@163.com,
ec_y2008@163.com
Keywords: Workflow, Time axis, Temporal constraints, Parallel control
Abstract.
For instances, “Raw materials preparation must be finished before production of products can start”, “the deadline for delivery of products is March 15, 2013”, etc.
Journal of Cooperative Information Systems, 2000,9(1&2): 93~116
Journal of Intelligent Information Systems, 1998,10(2):131~158
For instances, “Raw materials preparation must be finished before production of products can start”, “the deadline for delivery of products is March 15, 2013”, etc.
Journal of Cooperative Information Systems, 2000,9(1&2): 93~116
Journal of Intelligent Information Systems, 1998,10(2):131~158