Results 41 to 50 of about 263,550 (314)

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

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

Advanced 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, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

Rock-breaking experiments and simulations of shaped cutters in hard rock formations

Natural Gas Industry B
To address the challenges of rapid bit failure and high drilling costs associated with hard limestone in Sichuan Basin of China, we conducted rock-breaking experiments and simulations of shaped (cylindrical, ridge, and chopper) cutters.
Yang Guan, Qingyou Liu, Tao Huang, Zhengtong Mou   +3 more
doaj   +1 more source

Software Development for Simulation of Reformer Furnace [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2006
In recent years, lots of research has been done on effective usage of natural gas; the first step in these processes is conversion of natural gas to Syngas.
Akbar Zamaniyan, Ali Taghi Zoghi
doaj  

Experimental Investigation of Hydraulic Fracturing Fluid Based on Pseudo Gemini Surfactant with Polysaccharide Addition

Gels, 2023
In the last decade, hydrogels for hydraulic fracturing based on viscoelastic surfactants have been actively studied. Interest in these systems is justified by their unique qualities: good viscoelasticity and the ability to form stable suspensions of ...
Mihail Silin, Lyubov Magadova, Kira Poteshkina, Polina Krisanova, Andrey Filatov, Denis Kryukov   +5 more
doaj   +1 more source

Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects

Advanced Engineering Materials, EarlyView.
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula, Gökhan Küçüktürk, Duran Kaya, David Grossin, Christophe Tenailleau, Benjamin Duployer, Enrique Juste, Fabrice Petit   +7 more
wiley   +1 more source

Experimental study on particle migration in propped fractures of coal seam under true triaxial stress

Meitan xuebao
During the production of deep coalbed methane (CBM) after fracturing, the output of coal fines and proppants is prone to occur, leading to a decline in well productivity.
Ruili ZHOU, Chuhao CHEN, Jun ZHENG, Yihang XIAO   +3 more
doaj   +1 more source

Studies on One Step Removal of H2S: Aims and Design Criteria for a Pilot Plant [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 1992
In an attempt ot develop a one step process for the removal of H2S from sour gas, the engineering consideration were dealt with in two steps. In the first step it was attempted to derive the data required for establishing the design criteria for a pilot ...
M. Abedinzadegan, Mohammad Reza Jafari Nasr   +1 more
doaj  

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

Advanced 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, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source

Differential enrichment process of shale gas in Cambrian Qiongzhusi Formation in middle section of Deyang-Anyue rift trough, Sichuan Basin: evidence from fracture veins and fluid inclusions

Shiyou shiyan dizhi
In recent years, shale gas exploration in the Cambrian Qiongzhusi Formation within the Deyang-Anyue rift trough of the Sichuan Basin has achieved significant breakthroughs, establishing it as a crucial succession area for unconventional hydrocarbon ...
Yanyou LI, Juan WU, Zhipeng ZHOU, Qianqian JIANG, Xuewen SHI, Yuran YANG, Chao LUO, Yifan HE, Heng WANG, Jingyi LIANG, Bin DENG   +10 more
doaj   +1 more source