Results 101 to 110 of about 94,140 (312)

Nondestructive Testing of Welded Composite Metal Foams

Advanced Engineering Materials, EarlyView.
X‐ray computed tomography (CT) is used to evaluate welded steel–steel composite metal foam (CMF) joints of two density classes. It reports variation in postweld spatial void distribution and correlates it to weld‐induced changes, mechanical performance, and failure within welded CMF panels.
Chinmaya Prerana Inguva, Aman Kaushik, Afsaneh Rabiei   +2 more
wiley   +1 more source

Morphology of buoyancy-driven multiple hydraulic fractures

We investigate the problem of simultaneous propagation of multiple hydraulic fractures in situations when the effect of buoyancy is important. While such fractures often occur in nature as magmatic dikes, they also bear technological relevance.
Lecampion, Brice, Möri, Andreas, Dontsov, Egor   +2 more
core   +1 more source

Mechanical stress, fracture risk, and beak evolution in Darwin's ground finches (Geospiza) [PDF]

, 2010
Darwin's finches have radiated from a common ancestor into 14 descendent species, each specializing on distinct food resources and evolving divergent beak forms.
D. Adriaens, Genbrugge, A, Dirckx, Joris, de Witte, Y, A. Genbrugge, A. Herrel, Podos, Jeffrey, Podos, J, Genbrugge, Annelies, De Witte, Yoni, Herrell, Anthony, Aerts, Peter, Soons, J, J. Podos, Adriaens, D, Herrel, Anthony, Dirckx, J, J. Soons, Herrel, A, Aerts, P, Jacobs, P, P. Aerts, J. Dirckx, Jacobs, Patric, Soons, Joris, P. Jacobs, Y. de Witte, Adriaens, Dominique   +27 more
core   +1 more source

Effect of V-notch radius on mechanical properties of TA15 titanium alloy

Cailiao gongcheng
To study the impact of V-notch radius on the mechanical properties of TA15 titanium alloy，tensile，stress-rupture，fatigue tests and fracture analysis are conducted on both smooth specimens and those with varing V-notch radii.
CUI Wenming, ZHANG Xiaochen, WANG Wei, LI Zhutie, LIANG Xibing, ZANG Haoliang, ZHANG Kai   +6 more
doaj   +1 more source

Fracture Toughness and Fracture Morphology of Sintered Tungsten Alloys.

Journal of the Society of Materials Science, Japan, 1993
Fracture toughness tests of W-Ni-Fe sintered tungsten alloys with various volume fractions of tungsten particles were carried out under various loading rates. Fracture toughness of the sintered tungsten alloys decreased with increasing volume fraction of tungsten particles.
KOBAYASHI, Satoshi, ICHIKAWA, Kunihiro, MUTOH, Yoshiharu   +2 more
openaire   +2 more sources

Influence of Surface Finish on the Tribological Performance of AlTiBN Coatings Deposited on Forming Tools

Advanced Engineering Materials, EarlyView.
Aluminum and nitride coatings are used in industry because they are hard, resist wear, and protect against oxidation. Adding boron can improve friction behavior and other properties. This study tests coatings on surfaces with different finishes. Results show smoother surfaces perform better, while rough ones wear faster, although coatings can reduce ...
Adrián Claver, Iker Alfonso, Eneko Barba, Javier León, José Antonio García, Iñaki Zalakain, Iván Fernández Martínez, Arley García‐Carrero, Christian Almeyda, Daniel Salcedo   +9 more
wiley   +1 more source

Precipitation Simulations of the O‐Phase in Ti2AlNb Alloys Processed by Laser Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Simulated and experimental evolution of the O‐phase volume fraction during postprocessing of a Ti‐21Al‐25Nb (at.%) alloy processed by laser powder bed fusion. With results of sensitivity to input parameters from a thorough and quantified analysis, the interfacial energy matrix/precipitate is the most relevant input parameter for the simulation of the O‐
Silvana Tumminello, Joachim Gussone, Suzana G. Fries, Marcus Rackel, Andreas Stark, Norbert Schell, Jan Haubrich, Guillermo Requena   +7 more
wiley   +1 more source

Effect of inter-cluster interference on fracture morphology in multi-cluster staged fracturing for shale reservoir [PDF]

, 2018
Multi-cluster staged fracturing technology is an effective measure to stimulate the reservoir properties. However, the inter-cluster interference effect is obvious when the cluster spacing is very narrow, which seriously affects the effect of fracturing.
Ubedullah Ansari, Li, Qingchao, Li, Qiang, Zhou, Dongxian, Dongxian Zhou, Yuanfang Cheng, Qiang Li, Qingchao Li, Cheng, Yuanfang, Ansari, Ubedullah   +9 more
core   +1 more source

Research on the data-driven inter-well fracture channeling identification method for shale gas reservoirs

Frontiers in Earth Science
The issue of inter-well fracture channeling in shale reservoirs is becoming increasingly prominent, significantly impacting the production of nearby wells.
Feng He, Ming Yue, Yibo Zhou, Huaiying He, Wei Jiang, Long Liu, Chao Qian, Pinghua Shu   +7 more
doaj   +1 more source

Experimental investigation on influencing factors of CO2 huff and puff under fractured low‐permeability conditions

Energy Science & Engineering, 2019
The fracture system is a vital component of fractured low‐permeability reservoirs. The presence of fractures can improve reservoir flow capacity and injected carbon dioxide (CO2) utilization, thus leading to higher oil recovery.
Binfei Li, Hao Bai, Aishan Li, Liaoyuan Zhang, Qiliang Zhang   +4 more
doaj   +1 more source