Relevant bibliographies by topics / Mix mode fracture

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Mix mode fracture'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Mix mode fracture"

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KISHIDA, Tsuyoshi, and Takehiro FUJIMOTO. "Measurement of fracture mechanics parameter under complexed mix fracture mode." Proceedings of The Computational Mechanics Conference 2018.31 (2018): 048. http://dx.doi.org/10.1299/jsmecmd.2018.31.048.

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Crow, V. "Ex Vivo Shear Bond Strength of Fibreglass Reinforced Aesthetic Brackets." British Journal of Orthodontics 22, no. 4 (1995): 325–30. http://dx.doi.org/10.1179/bjo.22.4.325.

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Fibreglass reinforced brackets (FGBs) and ceramic brackets were bonded to the enamel of extracted premolars to evaluate their shear bond strength and fracture mode. One-hundred extracted premolars were divided into five groups, and combinations of two-paste and no-mix composite, and plastic bracket conditioner were used in the test groups. Bond strength testing was carried out 24 hours after direct bonding. The shear strength of ceramic brackets bonded with a two-paste composite was significantly higher than FGBs bonded with either two-mix or no-mix composite (P < 0·05). Ceramic brackets bo
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Modi, Mitul, and Suresh K. Sitaraman. "Interfacial Fracture Toughness Measurement of a Ti/Si Interface." Journal of Electronic Packaging 126, no. 3 (2004): 301–7. http://dx.doi.org/10.1115/1.1772410.

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Titanium adhesive layers are commonly used in microelectronic and MEMS applications to help improve the adhesion of other metal layers to a silicon substrate. Such Ti/Si interfaces could potentially delaminate under externally applied mechanical loads, thermally induced stresses, or process-induced intrinsic stresses or a combination of these different loads. In order to design against delamination, knowledge of the interfacial fracture toughness of the Ti/Si interface is necessary. However, interfacial fracture toughness data for such interfaces is not widely available in the open literature,
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Mello, Alberto W., and Kenneth M. Liechti. "The Effect of Self-Assembled Monolayers on Interfacial Fracture." Journal of Applied Mechanics 73, no. 5 (2004): 860–70. http://dx.doi.org/10.1115/1.1940662.

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This paper describes a series of experiments and analyses that were used to examine crack growth near sapphire/epoxy interfaces. Adhesion of the epoxy to the sapphire was enhanced by coating the sapphire with mixtures of two silane coupling agents that form self-assembled monolayers. A new biaxial loading device was used to conduct a series of mixed-mode fracture experiments. Crack opening interferometry, atomic force microscopy, and angle-resolved X-ray photoelectron spectroscopy allowed cohesive zone sizes, fracture surface topographies, and loci of fracture to be established. The experiment
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Ghafari, Sepehr, and Fereidoon Moghadas Nejad. "Low-Temperature Mixed Mode (I/II) Fracture Characterization of Polymerized Sulfur Modified AC Mixtures." Key Engineering Materials 986 (August 29, 2024): 61–66. http://dx.doi.org/10.4028/p-p0fwat.

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In this study, asphalt concrete (AC) mixtures were modified with polymerized sulfur, using PG58-22 bitumen, and crushed siliceous aggregate. Modifications involved replacing the base binder with 20%, 30%, and 50% polymerized sulfur, compared to a control mix with no replacement. The mixtures were subjected to Single Edge Notched-Beam (SE(B)) fracture tests under mixed mode (I/II) conditions with notch offset value of 48 mm, with temperatures ranging from 0 °C to -20 °C. These tests, focusing on the mixtures' response to mixed mode loading, provided load-displacement curves, enabling the determ
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Choi, B. S., Chia Yen Lee, and Young Suck Chai. "Mixed Mode Effects on the Interfacial Crack Propagation." Key Engineering Materials 261-263 (April 2004): 357–62. http://dx.doi.org/10.4028/www.scientific.net/kem.261-263.357.

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Initiation and propagation of interfacial crack along bimaterial interface are considered in this study. A series of interfacial crack initiation and propagation experiments are conducted using the biaxial loading device for various mixed modes. Normal crack opening displacement (NCOD) is measured near crack front by a crack opening interferometry and used for extracting fracture parameters. From mixed mode interfacial crack initiation experiments, large increase in toughness with shear components is observed. Initial velocity of crack propagation is very dependent upon the mode-mixes. It incr
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Pérez-Landeros, Juan Francisco, Pedro Limón-Covarrubias, José Roberto Galaviz-González, David Avalos-Cueva, María de la Luz Pérez-Rea, and Miguel Zamora-Palacios. "Evaluation of Mode-I Fracture Toughness of Asphalt Mixtures with Symmetric Geometry Specimen at Intermediate Temperature." Materials 15, no. 14 (2022): 4977. http://dx.doi.org/10.3390/ma15144977.

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Mode I fracture (tensile type) is the common cracking mode of asphalt pavements, which is caused by thermal cyclic loading or traffic. Some studies allow the analysis of the fracture modes by means of standardized tests, some of which are limited, difficult, with little repeatability or do not generate an adequate tension state. In this paper, mode I fracture toughness of asphalt mixtures with symmetric geometry specimens at intermediate temperature is evaluated. Experimental results from direct tension test and simulations on asphalt mix specimens subjected to intermediate temperatures of 10,
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He, Changshu, Zhiqiang Zhang, Ying Li, et al. "Interface Characteristics and Mechanical Properties of Ultrasonic-Assisted Friction Stir Lap Welded 7075-T6 Aluminium Alloy." Materials 13, no. 23 (2020): 5335. http://dx.doi.org/10.3390/ma13235335.

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In this work, friction stir lap welding (FSLW) and ultrasonic-assisted friction stir lap welding (UAFSLW) was applied to 6-mm-thick 7075-T6 alloy sheets using three welding tools with the same process parameters. The joint formation, microstructural characteristics, and mechanical properties of the resulting lap joints were then investigated. The results showed that ultrasonic vibration significantly promoted the flow of metal at the interface, enlarged the size of the stirred zone (SZ), and reduced the angle between the hook defect and the interface. During lap shear testing, the FSLW and UAF
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Zhao, Lun, Xiao Cong He, and Yi Lu. "Research of Mechanical Behavior for Rounded and Rectangular Clinched Joint." Advanced Materials Research 1035 (October 2014): 144–48. http://dx.doi.org/10.4028/www.scientific.net/amr.1035.144.

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Joining process and mechanical properties of clinched joints in Al5052 aluminum alloy sheets had been studied in this study. The clinched joints were classified to round one and rectangle one. Results of cross-section showed that the minimum thickness of the rectangle joints were lower than the round joints, and the aspect ratio of undercut section corresponding was larger. The strength of rectangular joint was 1.7 times of round one. Failure mode of rounded joint was the upper sheet fractures at the neck having a minimum thickness, but failure mode was the mix of neck-fracture and pulled-out
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Rita, Mariane Rodrigues, Pierre Rossi, Eduardo de Moraes Rego Fairbairn, and Fernando Luiz Bastos Ribeiro. "Determination of the Probabilistic Properties of the Critical Fracture Energy of Concrete Integrating Scale Effect Aspects." Applied Sciences 14, no. 1 (2024): 462. http://dx.doi.org/10.3390/app14010462.

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This paper presents an extension of the validation domain of a previously validated three-dimensional probabilistic semi-explicit cracking numerical model, which was initially validated for a specific concrete mix design. This model is implemented in a finite element code. The primary objective of this study is to propose a function that enables the estimation of the critical fracture energy parameter utilized in the model and validate its effectiveness for various concrete mix designs. The model focuses on macrocrack propagation and introduces significant aspects such as employing volume elem
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Dissertations / Theses on the topic "Mix mode fracture"

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Vasudevan, Aditya Vangal. "Deciphering triangular fracture patterns in PMMA : how crack fragments in mixed mode loading." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS067/document.

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Dans cette thèse, j’ai conçu un nouveau test de rupture adapté à l’étude des matériaux fragiles sur une grande gamme de vitesse de fissure. Il a été mis en œuvre sur le PMMA, permettant de caractériser la transition entre un régime de rupture à grande vitesse v&gt;vc=15 mms-1 avec des faciès optiquement plats et un autre régime pour v<br>During this PhD thesis, a new fracture test geometry is designed for the accurate measurement of the fracture properties of brittle solids, subsequently applied to study failure in PMMA. At high crack speeds, their fracture surfaces are optically smooth. But b
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Parvatareddy, Hari. "Durability of Polyimide Adhesives and Their Bonded Joints for High Temperature Applications." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/29554.

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The objective of this study was to evaluate and develop an understanding of durability of an adhesive bonded system, for application in a future high speed civil transport (HSCT) aircraft structure. The system under study was comprised of Ti-6Al-4V metal adherends and a thermosetting polyimide adhesive, designated as FM-5, supplied by Cytec Engineered Materials, Inc. An approach based on fracture mechanics was employed to assess Ti-6Al-4V/FM-5 bond durability. Initially, wedge tests were utilized to find a durable surface pretreatment for the titanium adherends. Based on an extensive scree
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Lin, Sen. "Evaluation of HMA fracture mechanics-based thermal cracking model." Thesis, KTH, Transportvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-50945.

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Low temperature cracking is an important form of asphalt pavement deterioration in cold regions. The cracks develop when thermally induced stresses exceed the fracture resistance of the asphalt pavement. In this study, by incorporating HMA fracture mechanics into thermal cracking model, a new integrated model is introduced to investigate low temperature cracking performance. To evaluate its reliability and accuracy, the predicted thermally induced stress and failure temperature are compared with the fracture stress and fracture temperature obtained from thermal stress restrained specimen test.
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Preston, Timothy. "Biomechanical comparison of dual bone fixation in an ex-vivo mid-diaphyseal fracture model of the feline radius and ulna." Thesis, Preston, Timothy (2015) Biomechanical comparison of dual bone fixation in an ex-vivo mid-diaphyseal fracture model of the feline radius and ulna. Masters by Research thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/27566/.

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This investigation was conducted in two phases. The first phase aim was to describe the length, internal and external diameter, cancellous bone volume/extent and cortical bone thickness at predetermined locations in the radius and ulna in a cohort of skeletally mature and disease-free cat cadavers using radiography and computed tomography. This phase provided a morphometric description of normal cat antebrachii and served as reference for implant selection for the second phase. The aim of the second phase was to compare the biomechanical properties of three constructs for dual bone fixation (D
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李錟鋒. "A study of the mix mode fracture behavior for orthotropic carbon fiber composites." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/00601153188987124739.

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Books on the topic "Mix mode fracture"

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Scholz, Luca. Borders and Freedom of Movement in the Holy Roman Empire. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198845676.001.0001.

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Abstract: Borders and Freedom of Movement in the Holy Roman Empire tells the history of free movement in the Holy Roman Empire of the German Nation, one of the most fractured landscapes in human history. The boundaries that divided its hundreds of territories make the Old Reich a uniquely valuable site for studying the ordering of movement. The focus is on safe conduct, an institution that was common throughout the early modern world but became a key framework for negotiating free movement and its restriction in the Old Reich. The book shows that attempts to escort travellers, issue letters of
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Book chapters on the topic "Mix mode fracture"

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Ahmed, Taher M., and Hussain Al-Khalid. "A Simple Fracture Model for Hot Mix Asphalt Based on Fundamental Fatigue Parameters." In RILEM Bookseries. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-0867-6_23.

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Molnar, Peter. "3. Fracture zones and transform faults." In Plate Tectonics: A Very Short Introduction. Oxford University Press, 2015. http://dx.doi.org/10.1093/actrade/9780198728269.003.0003.

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‘Fracture zones and transform faults’ introduces fracture zones, huge, long linear scars in the seafloor first mapped in the 1950s, and their interpretation in terms of a new concept, transform faulting. Fracture zones are made at mid-ocean ridges, where the seafloor spreads apart. Segments of zones of spreading intersect fracture zones at right angles, along which transform faulting transfers the spreading on one spreading zone to another. As the seafloor spreads, and plates move apart at mid-ocean ridges, fracture zones grow longer. Testing this idea relied on the study of earthquakes that o
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Molnár, G., I. Bojtár, and J. Nielsen. "Ongoing model development analyzing glass fracture." In COST Action TU0905 Mid-term Conference on Structural Glass. CRC Press, 2013. http://dx.doi.org/10.1201/b14563-29.

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Hayton, Jeff. "Language and Identity." In Culture from the Slums. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780198866183.003.0004.

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Chapter 3 examines how and why punk was seen as the basis for a popular musical revolution in West Germany. While at first imitating the Anglo-American subculture, Western punks soon began singing in German as a way of articulating a more expressive and local music culture. New instruments and sounds were thrown into the mix as punks experimented sonically to develop a specifically German punk sound. In so doing, youths elaborated a critique of everyday life which they felt was more honest and evocative, steps transforming punk into a national popular music sensation. But not all were happy wi
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Rymsza-Pawlowska, M. J. "The Commemoration Revolution." In History Comes Alive. University of North Carolina Press, 2017. http://dx.doi.org/10.5149/northcarolina/9781469633862.003.0003.

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Federal interests planned the Bicentennial of the American Revolution for ten years. In the late 60s and early 1970s, planners envisioned a new World’s Fair, to be held in Philadelphia. But as consensus fractured and distrust of the government, and particularly Richard Nixon, mounted, Americans lacked enthusiasm about the upcoming celebration and criticized what they considered to be a co-optation of the anniversary. By the mid-1970s, the Bicentennial federal planners envisioned was not only more decentralized, but also focused more on the past, as opposed to the future.
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Amin, Hira. "The Shifting Contours of Saudi Influence in Britain." In Wahhabism and the World. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780197532560.003.0015.

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This chapter argues that there have been four broad stages of Saudi Arabia’s impact on Islam in Britain. The first stage was marked by institution building, religious diplomacy, and pan-Islamic networks. During the second stage, from the mid-1980s, Saudi-style Salafism captivated many young British Muslims, as Salafi scholars projected themselves as the representatives of an “authentic,” “universal,” and “deculturized” Islam. The third stage began from the mid-1990s, when other sectarian rivals rose up to become attractive alternatives, the Salafi movement internally fractured, and segments of
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Klein, Andre, Keith Buck, and Steve Ruhl. "Helper Field." In Regional to Wellbore Analog for Fluvial-Deltaic Reservoir Modeling. American Association of Petroleum Geologists, 2004. https://doi.org/10.1306/st50983c21.

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Abstract Helper field, located on the southwestern flank of the Uinta Basin in central Utah, produces gas from multiple coal seams and interbedded sandstone within the Upper Cretaceous Ferron Sandstone Member of the Mancos Shale. Subsurface mapping, along with coal and sandstone petrophysical properties obtained from two exploratory wells drilled in 1993, led to the drilling of a five well exploratory pilot program that established gas sales in 1994. Drilling from 1995 through 2003 resulted in the completion of 111 additional coalbed methane wells. In mid-2003, Helper field was producing 35 mm
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Polgar, Paul J. "A Prudent Alternative or a Dangerous Diversion?" In Standard-Bearers of Equality. University of North Carolina Press, 2019. http://dx.doi.org/10.5149/northcarolina/9781469653938.003.0007.

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The emergence of colonization as a potential antislavery tool drove a wedge between competing factions among abolition societies. a long and at times divisive debate that fractured the abolition societies and signaled the rising influence of colonization among white reformers as an answer to ending slavery. With their claims to American citizenship under direct threat from the ideology of the American Colonization Society, black abolitionists more readily distinguished colonization from emancipation. People of color and the abolition societies of the Mid-Atlantic had jointly discredited the AC
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Mann, Joseph Arthur. "Supporting the Monarchy and the Church of England during the Restoration." In Printed Musical Propaganda in Early Modern England. Liverpool University Press, 2020. http://dx.doi.org/10.3828/liverpool/9781949979237.003.0004.

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With rebellion and regicide an ever-present worry for the newly-restored monarchy and the new king Charles II, public opinion could not be ignored. Charles II was welcomed back to his kingdom with a mix of enthusiasm and relief, but his Church of England faced a more difficult restoration. After being outlawed for a decade, it faced the difficulties inherent in reconstituting the institution itself. It faced the challenge of countering the sentiments against it that had been spread during the Commonwealth. It also needed to establish religious harmony in a populace fractured into numerous deno
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Ojolo Sunday Joshua, Ogundare Adebayo Adeyemi, Ismail Sikiru Oluwarotimi, and Kofoworola Oluwayemisi Toke. "Investigation on Induced-Residual Stress During End Milling Operation Using Analytical Modelling." In Advances in Transdisciplinary Engineering. IOS Press, 2018. https://doi.org/10.3233/978-1-61499-902-7-39.

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During end milling operation, the residual stresses are developed from two sources: plastic deformation of workpiece material and thermal energy generated. These two sources of residual stresses are often combined as one toward prediction of the efficient combined milling parameters which consequently minimised the residual stresses induced in the material. Hence, a mathematical model for predicting the magnitude of induced-residual stresses during end milling of 304L stainless steel was formulated, using analytical approach. The formulated model captured both mechanical and thermal (thermo-me
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Conference papers on the topic "Mix mode fracture"

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Pustode, Mangesh D., V. S. Raja, and M. Tamilselvi. "The Stress Corrosion Cracking Susceptibility of Ti-6Al-4V Alloy in Presence of Hot Salt." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02157.

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Abstract In this study, susceptibility to hot salt stress corrosion cracking (HSSCC) of Ti-6Al-4V alloy, which is a candidate material for various compressor components in marine gas turbine engine, was investigated using slow strain rate test technique in the temperature range 150 – 400 °C. The results showed that the Ti-6Al-4V alloy was prone to HSSCC above 250 °C and the susceptibility significantly increases with increase in temperature. The number and the length of the cracks within the gauge length increased with temperature starting from 300 °C. Simultaneously brittle area fraction incr
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Hagiwara, N., and N. Oguchi. "Fracture Toughness (CTOD) of Linepipe Materials under Cathodic Protection." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97200.

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Abstract Hydrogen stress cracking (HSC) of buried pipelines under cathodic protection is one of the major concerns in the maintenance of gas transmission pipelines. It has been acknowledged that slow strain rate technique (SSRT) is a rather qualitative method for evaluation of HSC susceptibility, while it is necessary to evaluate fracture toughness of pipelines with defect under cathodic protection. A series of crack tip opening displacement (CTOD) testing has been employed to evaluate critical CTOD, δC, of four API X65 linepipe materials which gives maximum tolerable defect size for preventio
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Koul, Michelle G., and Peggy S. LeGrand. "Environmentally Assisted Cracking Evaluation of UNS N06686 Using Constant Extension Rate Testing." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11296.

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Abstract Constant, slow extension rate tests in air and ASTM D1141 seawater were conducted on two cold worked bars of Grade 2 IN686 (UNS N06686, 125 min. yield strength) where the cold work was imparted using two different methods: conventional drawing and rotary forging. Baseline tests were also conducted on Alloy K-500 (UNS N05500), which is a marine grade material currently in use. Specimens were cathodically polarized to simulate catholic protection conditions and evaluate the alloys’ resistance to hydrogen-assisted EAC (HEAC). Ductility measurements using elongation at fracture and reduct
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Pape, H., I. Maus, H. S. Nabi, L. J. Ernst, and B. Wunderle. "Establishing mode mix dependency of fracture toughness in microelectronic components with reduced experimental effort." In 2012 IEEE 62nd Electronic Components and Technology Conference (ECTC). IEEE, 2012. http://dx.doi.org/10.1109/ectc.2012.6248990.

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Modi, Mitul B., and Suresh K. Sitaraman. "Measurement of the Mode Mix Dependent Interfacial Fracture Toughness for a Ti/Si Interface Using a Modified Decohesion Test." In ASME 2003 International Electronic Packaging Technical Conference and Exhibition. ASMEDC, 2003. http://dx.doi.org/10.1115/ipack2003-35331.

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The Modified Decohesion Test (MDT), developed by the authors, eliminates shortcomings of current interfacial fracture toughness testing methods. In this approach, a highly stressed super layer is used to drive delamination and create any mode mix at the crack tip. MDT uses the change in crack surface area to vary the available energy per unit area for crack growth and thus to bound the interfacial fracture toughness. Therefore, this technique uses a single sample to measure the interfacial fracture toughness, as opposed to the decohesion test that uses several samples to be able to bound the i
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Modi, Mitul B., and Suresh K. Sitaraman. "Modified Decohesion Test (MDT) for Interfacial Fracture Toughness Measurement in Microelectronic/MEMS Applications." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39670.

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Delamination of intrinsically or residually stressed thin films is commonly encountered in microelectronics and MEMS systems. Thin films typically accrue stresses through micro structural variations caused by physical vapor deposition, thermally induced stresses imposed due to thermal mismatch, and/or extrinsically introduced forces. These stresses can reach upwards of 1 GPa and can easily exceed the strength of the metal thin film interface. Knowledge of the interfacial fracture toughness (Γ) is necessary to predict if delamination will occur. However, measuring Γ is a challenge for thin film
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Asadizadeh, M., A. Hedayat, L. Tunstall, M. Taboada Neira, J. A. Vega González, and J. W. Verá Alvarado. "Mode I Fracture Behavior of Lightweight Concrete Made of Mine-Tailings-Based Aggregates." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0572.

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ABSTRACT: The exploration of mode I fracture behavior in lightweight concrete (LW-concrete) made from mine-tailings-based aggregates holds great significance in the realm of construction materials. This research is vital, as it offers crucial insights into the structural integrity of the material and its suitability for diverse applications. The utilization of mine tailings (MTs), abundant in aluminum oxide and silicon dioxide, and their transformation into lightweight aggregates (LWAs) signifies an environmentally responsible approach to address the environmental impact of MTs while reducing
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Liu, S. K., Y. S. Zou, S. C. Zhang, et al. "Study on Rock Mechanics Microscopic Heterogeneity Characterization, Fracture Propagation Simulation and Frac-Ability Prediction of Complex Mode Conglomerate in Mahu Block." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0754.

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ABSTRACT: The conglomerate reservoir in Mahu Sag is highly heterogeneous, with an unclear understanding of fracture propagation. The reservoir contains a mix of sand, gravel, and mud. Previous studies have not fully grasped the fracture propagation patterns in conglomerate reservoirs due to a focus on outcrop observations and finite element simulations. There is an urgent need for research on the morphology of fracture propagation in complex conglomerate formations and the characterization of micro-heterogeneity in rock mechanics. By conducting mechanical tests and discrete element analysis, r
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KovářÍk, Ondřej, Jaroslav Čech, Jan Cizek, Jakub Klečka, and Michal Hajíček. "Mechanical and Fatigue Properties of Tungsten Heavy Alloy Prepared by RF-Plasma." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0115.

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Abstract Tungsten heavy alloy (WHA) of W-Ni composition was deposited from a blend of standard thermal spray powders using radio frequency inductively coupled plasma torch (RF-ICP) in a protective atmosphere. The deposit (RF WHA) contained a fully developed WHA structure; i.e.; spherical W particles embedded in a Ni-rich matrix. The bending tensile strength Rm; bending yield strength Rp;0.2; and elastic modulus of the deposit were compared with two W-Ni-Co references fabricated by powder metallurgy (PM WHA) via sintered and quenched (PMSQ); and forged and annealed (PM-FA). While the RF deposit
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Pi, Zhiyang, Yujie Zhang, Gang Hui, et al. "Comprehensive Characterization of the Unconventional Fracture Networks via Fiber Optic Tools and Microseismicity Analysis." In SPE Advances in Integrated Reservoir Modelling and Field Development Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/225334-ms.

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Abstract The 4D unconventional fracture network evolution, especially considering the closure state of hydraulic fractures during fracturing stimulations and shale gas productions is not well understood. This paper proposed a novel method to characterize 4D unconventional fracture network evaluations considering dynamic closure of unconventional fractures based on a 4D Hydro-geomechanical model and fiber optics monitoring. First, we summarized the geological deposition, tectonic features and organic matter resources of the Marcellus shale gas reservoir, and the gas decline law was used to fit
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Reports on the topic "Mix mode fracture"

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Saadeh, Shadi, and Maria El Asmar. Sensitivity Analysis of the IDEAL CT Test Using the Distinct Element Method. Mineta Transporation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2243.

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Cracking is a primary mode of failure for asphalt concrete (AC), resulting in road damage and deterioration, and leading to an increase in road hazards and fatalities. Studying the fracture behavior of AC is an effective way to learn how to best enhance their cracking resistance. To do this, the indirect tensile cracking laboratory test (IDEAL-CT) was developed and used to assess the AC cracking behavior by defining a unique index that allows the ranking of different mixes’ cracking resistance. The sensitivity of the test results to the test parameters is needed to monitor the test’s performan
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Leis. L51845 Database of Mechanical and Toughness Properties of Pipe. Pipeline Research Council International, Inc. (PRCI), 2000. http://dx.doi.org/10.55274/r0010150.

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�The lower-strength grades of steel used for transmission pipelines into the 60s were much like those used in other steel construction in that era. These steels gained strength by traditional hardening mechanisms through chemistry changes, largely involving carbon and manganese additions. Improvement of these grades, primarily through control of ingot chemistry and steel processing, became necessary when running brittle fracture was identified as a failure mechanism in gas-transmission pipelines in the late 50s. Eventually, this avenue to increasing strength was exhausted for pipeline applicat
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3

Zhou, Jiayi, and André Månberger. Critical Minerals and Great Power Competition: An Overview. Stockholm International Peace Research Institute, 2024. http://dx.doi.org/10.55163/wemj9585.

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Abstract:
With global politics increasingly fractured, states are rushing to secure critical and strategic mineral supply chains. Each state conceptualizes mineral security differently, driven by a mix of imperatives that range from national development and industrial policy to technological and military dominance. Great power competition pervades all of these issue areas, and that competition may also pose risks at the global level: risks for the pace of green transition, risks of geoeconomic escalation and risks of conflict. This report provides an insightful overview of the mineral security policies
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4

Neyedley, K., J. J. Hanley, P. Mercier-Langevin, and M. Fayek. Ore mineralogy, pyrite chemistry, and S isotope systematics of magmatic-hydrothermal Au mineralization associated with the Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328985.

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The Mooshla Intrusive Complex (MIC) is an Archean polyphase magmatic body located in the Doyon-Bousquet-LaRonde (DBL) mining camp of the Abitibi greenstone belt, Québec. The MIC is spatially associated with numerous gold (Au)-rich VMS, epizonal 'intrusion-related' Au-Cu vein systems, and shear zone-hosted (orogenic?) Au deposits. To elucidate genetic links between deposits and the MIC, mineralized samples from two of the epizonal 'intrusion-related' Au-Cu vein systems (Doyon and Grand Duc Au-Cu) have been characterized using a variety of analytical techniques. Preliminary results indicate gold
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5

EXPERIMENTAL AND NUMERICAL ANALYSIS ON THE MECHANICAL BEHAVIOR OF A GLULAM SUSPENDOME. The Hong Kong Institute of Steel Construction, 2024. https://doi.org/10.18057/ijasc.2024.20.4.8.

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To enhance the overall stability of the glulam reticulated shell, an innovative structural solution, the glulam suspendome, is introduced by integrating a cable-strut system. A destructive test utilizing 13 hydraulic jacks was carried out to assess the overall stability. This study primarily encompassed analyses of load-displacement curves for nodes, load-strain characteristics of structural members, load-cable force assessments of hoop cables, and an investigation into failure mode. The failure mode of the structure involved instability around the weak axis of the member near the mid-span nod
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HYSTERETIC PERFORMANCE OF WEAK-AXIS CONNECTION WITH I-SHAPED PLATES IN STEEL FRAME. The Hong Kong Institute of Steel Construction, 2021. http://dx.doi.org/10.18057/ijasc.2021.17.3.1.

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This paper elucidates numerically the behavior of weak-axis moment connections proposed by welding I-shaped plates in the H-section column to increase connection strength and ductility in steel frame. After validating the numerical methods through comparing the results of numerical analysis and experiments, the effectiveness of the proposed weak-axis connection were examined through comparing to the traditional weak-axis connection. The proposed weak-axis connection could move the highest stresses away from the start-stop points of a weld, and thus preventing the premature brittle fracture of
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