Results 141 to 150 of about 419,968 (313)

Cost inefficiencies in construction

open access: yes, 2009
Purpose: This paper identifies cost inefficiencies in construction, thereby contributing to the current debate about unsatisfactory productivity in the industry.
Polesie, Pim,, Felderhoff, Markus,
core  

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

open access: yesAdvanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi   +3 more
wiley   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

İnşaat Projelerinin Ağ Diyagramlarıyla Planlanmasında Süre-Maliyet Değişimlerinin Teknoloji Kullanımı Orijininde Analizi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2015
Büyük bir hızla gelişen dünyada verimli yatırımların hayata geçirilebilmesi için yalnızca fizibilite ve teknik uygulamalar konularının değil planlama ve maliyet yönetimi çalışmalarının da önemi giderek artmaktadır.
Hakan Polat   +2 more
doaj  

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

Cost of home construction and housing : report of the commission of enquiry

open access: yes, 1969
v.1. ReportLetter of transmittal -- Minute of the Executive Council -- Commission and terms of reference -- Foreword -- Interpretation of terms of reference -- Acknowledgements -- Chapter I: Summary of findings and recommendations.
Newfoundland. Commission of Enquiry into the Cost of Home Construction and Housing
core  

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

open access: yesAdvanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe   +4 more
wiley   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

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