A novel method enhanced mechanical properties of a selective laser melted Mar-M247 superalloy by progressive remelting by Liyu Li, Tao Dong, Fengchun Jiang, Yi Ru, Chunhuan Guo, Mingxia Diao, Haolun Song

Subjects: “…Selective laser melting…”
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Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC by J.M. Vasco-Olmo, F.A. D�az, F.V. Antunes, M.N. James

“…A sensitivity analysis to explore the effect of the position selected behind the crack tip for the CTOD measurement was performed. …”
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Effect of Inhomogeneous Mechanical Properties on the Stress-Strain Field at the Crack Tip and Crack Growth Direction in Dissimilar Metal Welded Joints by Shuang Wang, Hongkui Zhang, Zhe Ju, Bing Li, Fandong Chen, Fei Han

“…In the failure analysis and safety assessment of dissimilar metal welded joints, the mechanical heterogeneity of local regions is usually ignored and limited sampling locations are selected. The mechanical behavior of the crack tip region is the main variables affecting the environmentally assisted cracking behavior, and it is crucial for understanding the impact of mechanical heterogeneity on the local stress-strain state at the crack tip in welded joints. …”
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Tunnel Crack Segmentation Algorithm Based on Feature Enhancement by Lihua Feng, Aijun Yao, An Huang

“…To address these challenges, this paper proposes a tunnel crack detection method. Firstly, a novel Dynamic Feature Enhancement Network (DFEN) module is designed to extract preliminary features using a feature extractor and selectively enhance feature representations through a gating mechanism. …”
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Research Progress and Commercial Applications of Fluid Catalytic Cracking (FCC) Technology by Ruiqi QIAO, Jianhong GONG, Xiaoli WEI, Dongxue CAO

“…As the core of heavy oil upgrading, fluid catalytic cracking(FCC) units have long been the main pillar of economic benefits for petrochemical enterprises in China.This paper reviews the development history of domestic FCC technology and summarizes the current status of FCC technology from three perspectives based on target products:Oil production technology,light olefin maximization technology,and product structure adjustment technology.It emphasizes summarizing the design concepts,main characteristics and commercial application of different FCC technologies,with a particular focus on comparing the differences in reactor types and catalyst.Additionally,research efforts aimed at improving oil quality to meet market demands,enhancing the yields of low⁃carbon olefins,BTX(benzene,toluene,xylene),and other basic chemical raw materials,as well as optimizing their selectivities,are discussed,providing viable technical solutions for high⁃quality enterprise development.Future research priorities for FCC technology include feedstock heavy and diversified processing,product quality improvement,flexible product structure adjustment,and cleaner production processes.…”
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Dynamic Modulus and Field Performance of Cold-in-Place Recycled Asphalt Pavement by Islam M. R., Kalevela S. A., Rivera J. A., Rashid T. B.

“…Sites from ten projects were selected to monitor the performances and collect samples for laboratory testing. …”
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Analysis of accuracy of Williams series approximation of stress field in cracked body – influence of area of interest around crack-tip on multi-parameter regression performance by J. Sobek, P. Frantík, V. Veselý

“…Two different ways of FE nodal selection are compared – nodes selected from the crack tip vicinity lying at a ring of a certain radius versus nodes selected more or less uniformly from a specified part of the test specimen body. …”
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Multi-objective Genetic Optimization of Ethane Thermal Cracking Reactor

“…An industrial ethane thermal cracking reactor was modeled assuming a molecular mechanism for the reaction kinetics coupled with material, energy, and momentum balances of the reactant-product flow along the reactor. …”
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Experience in modeling inclined cracks in materials with cubic crystal structure by Karina A. Mushankova, Larisa V. Stepanova

“…In the vicinity of the crack tip, points lying in annular regions at different distances from the crack tip and of different thickness were selected, and the dependences of the stress tensor components depending on the polar angle were plotted. …”
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Methods and Criteria for Evaluation of Asphalt Mixture Resistance to Low Temperature Cracking by Judita Gražulytė, Audrius Vaitkus, Vitalijus Andrejevas, Gediminas Gribulis

“…These activities significantly increase road maintenance cost. Selection of the appropriate asphalt mixture by its performance at low temperatures reduces or even prevents low temperature cracking of asphalt pavements. …”
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About measuring the stress intensity factor of cracks in curved, brittle shells by Siwen Cao, Andr�s A. Sipos

“…For different geometries, the ratio of the data selection radius and the length of the crack should exceed 0.3.…”
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Cracking Faults in Grounding Terminals of a Specific Metro Train Model by LI Wenxue, QU Sheng, DAI Xinliang

“…［Objective］Frequent cracking faults are observed in the grounding terminals of a specific metro train model during operation. …”
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Influence of Transition Material Characteristics on Cracking of Asphalt Concrete Core Walls by LIU Bo, WANG Junjie, SUN Zhong, LIU Liangjun

“…On the premise of meeting the design and construction specifications of asphalt concrete core wall dams, selecting transition materials with larger <italic>R</italic>_f and smaller <italic>K </italic>and<italic> φ</italic>₀ is beneficial for improving the crack resistance performance of asphalt concrete core wall dams.…”
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Fatigue crack growth in welded S355 specimens subjected to combined loadings by Roberto Brighenti, Janusz Lewandowski, Dariusz Rozumek, Grzegorz Lesiuk

“…In order to analyse how the fillet joints’ shape and the load ratio affect the crack growth, we selected two kinds of the fillet shape: concave and convex, and two load ratios, namely R = -1, 0. …”
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Simulation Experiment of TSR Promotes Cracking of Coal Generation H2S by Qigen Deng, Yinsheng Du, Yanjie Yang, Fajun Zhao

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Downstream Semantic Segmentation Model for Low-Level Surface Crack Detection by Thitirat Siriborvornratanakul

“…Our selected downstream model is generalized well across different test datasets and yields the optimal dataset scale F-measures of 84.49% on CrackTree260, 80.29% on CRKWH100, 72.55% on CrackLS315, and 75.72% on Stone331.…”
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Crack Repair by Epoxy – Injection Method vs. Gravity Feed Method by Yadollahi Mohammad

“…This paper compares and contrasts the above two methods, and in order to enable the reader to select the most effective technique for a concrete crack repair project, explores through a case study: (i) the effectiveness of these repair methods to adequately seal cracks; (ii) the ability of these repair methods to fully penetrate the entire length of the cracks; and (iii) their fitness to create a long-term repair solution.…”
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Exploring the Detection Accuracy of Concrete Cracks Using Various CNN Models by Mohammed Ameen Mohammed, Zheng Han, Yange Li

“…The comprehensive comparison result indicates that Model2 which used batch normalization is capable of the best performance amongst the three models as selected for concrete cracks detection, with recording the highest classification accuracy and low loss. …”
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Effect of Microstructure on the Corrosion Fatigue Crack Growth of Low and Medium Steels by Jing Wang, Yan Zhang, Chunting Yu, Bo Zhao

“…This article studies the effect of microstructure on the corrosion fatigue crack growth behavior of low and medium carbon steels. 45 steel and 15CrMo were selected and five typical microstructures were obtained by different heat treatment processes. …”
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FEATURES OF TECHNOLOGY OF WASHING AND DEVELOPMENT OF HORIZONTAL WELLS AFTER SELECTIVE HYDRAULIC FRACTURING OF LAYER ON FIELDS OF WESTERN SIBERIA by Alexander Evgenyevich Verisokin, Larisa Mikhaelovna Zinovieva

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