Results 41 to 50 of about 14,711,909 (212)

Effect of Laser Feeding on Heat Treated Aluminium Alloy Surface Properties

Archives of Metallurgy and Materials, 2016
In this paper are presented the investigation results concerning microstructure as well as mechanical properties of the surface layer of cast aluminium-silicon-copper alloy after heat treatment alloyed and/ or remelted with SiC ceramic powder using High ...
Labisz K., Tański T., Janicki D., Borek W., Lukaszkowicz K., Dobrzański L. A.   +5 more
doaj   +1 more source

Expert system for minimising the cost of logistic processes

Management : Journal of Contemporary Management Issues, 2002
This paper demonstrates how to use the theory of causal position in practice for evaluation, systematic design, mechanization and automation in logistic processes namely in manipulation with material.
Bohumil Hlavenka, Marek Stroner
doaj  

Design and Numerical Study of Induction-Heating Graphitization Furnace Based on Graphene Coils

Applied Sciences
Induction-heating graphitization furnaces are widely used to produce high-purity graphite products due to their high heating rate, high-limit temperatures, safety, cleanliness, and precise control. However, the existing induction-heating systems based on
Rui Li, Yuanyuan Zhang, Xiaodong Chu, Lin Gan, Jia Li, Baohua Li, Hongda Du   +6 more
doaj   +1 more source

Study on microcosmic properties and temperature simulation of foamed polypropylene composites

Scientific Reports
The injection molding procedure and the compression molding procedure of foamed polypropylene composite are studied. The pore diameter, pore density, and microscopic topography for polypropylene composites was studied by experiments of slicing samples ...
Dongsheng Yang, Xin Yang, Qi Chen, Wei Gong, Jincheng Zhong   +4 more
doaj   +1 more source

Updating the global weighting factor for biodiversity impact assessment in LCAZenodo

Data in Brief
Life‑cycle impact assessment (LCIA) is progressively expanding to address biodiversity impacts, but spatial heterogeneity continues to dominate the associated uncertainty.
Julian Quandt, Jan Paul Lindner, Nico Mumm, Barbara von Hippel   +3 more
doaj   +1 more source

Mechanical Properties of High-Mn Austenitic Steel Tested under Static and Dynamic Conditions

Archives of Metallurgy and Materials, 2016
The purpose of the paper is to investigate X73MnSiAlNbTi25-1-3 high manganese austenitic steel containing 0.73% C to determine structural mechanisms decisive for increasing a reserve of cold deformation energy of such steel.
Dobrzański L. A., Borek W., Mazurkiewicz J.   +2 more
doaj   +1 more source

Health service procurement policy / Healthcare Materials Management Board [PDF]

, 2000
DOHC ...
Healthcare Materials Management Board
core   +2 more sources

Big Data–Driven Evaluation Model for Risk Assessment and Cost Optimization in Smart Tender Procurement Management

Journal of Applied Science and Engineering
The procurement process is crucial for project success, but selecting the right supplier is challenging due to risks like delays, cost overruns, and quality issues. Traditional methods often fail to handle these complexities effectively.
Chuan Zhang, Lingling Yuan, Yulin Fan
doaj   +1 more source

Copper as a Critical Resource in the Energy Transition

Energies
The energy transition requires significant amounts of critical raw materials, with demand projected to continue increasing. Analyses indicate that the supply of these materials will fall short of the requirements for the energy transition plans based on ...
Marta Podobińska-Staniec, Anna Wiktor-Sułkowska, Arkadiusz Kustra, Sylwia Lorenc-Szot   +3 more
doaj   +1 more source

Materials Management

, 2018
Coverage: Dar es ...
openaire   +3 more sources