Microstructural characterisation related to hot tearing of Al-Cu sand mould castings by Mattia Merlin

“…The quantity of the eutectic phase available during solidification is considered a very important parameter for the crack healing phenomenon, in fact the eutectic liquid flows into the hot tear areas and covers parts of the cracks. …”
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A Discussion of Reinforcement Timing Optimization for Main Inclined Shaft Roadway with Water Seepage by Minglei Zhang, Chaoyu Chang, Wen Cao

“…With the increase of the time of water infiltration, the roadway deformation increases exponentially, resulting in a higher risk of roadway destruction. In this paper, targeting at the supporting and protection issues associated with the main inclined shaft during the water-drenching, a numerical simulation method was established to evaluate the impact of the fissure water on the deformation of the surrounding rock of the roadway, and a solution to control the top water in main inclined shafts by grouting was proposed. …”
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Strengthening of Damaged Masonry Walls Using Engineered Cementitious Composites: Experimental and Numerical Analysis by S. M. Renuka, I. P. Mervin Sanjith

“…The compressive strength of ECC is observed to be higher than normal mortar and FAECC whereas the indirect tensile strength of both ECC and FAECC was almost similar, which is higher than that of normal mortar. …”
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Comparative study on tensile and high cycle fatigue behaviour of 316L(N) SS hardfaced with Ni-Cr-B-Si alloy by GTA and laser cladding processes by Amruta Pasarkar, S. Balaguru

“…Thus, it is very important to consider appropriate hardfacing method which can provide higher tensile and fatigue strength to avoid cracking/debonding at the interface. …”
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Multifractal Analysis and Compressive Strength Prediction for Concrete through Acoustic Emission Parameters by Zhiqiang Lv, Annan Jiang, Jiaxu Jin, Xiangfeng Lv

“…Acoustic emission (AE) can be applied to identify crack propagation and damage of materials and structures. …”
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Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars by Hongmei Zhang, Zizhao Tang, Jinguang Li, Zheming Hu, Qian Feng

“…Steel-fiber reinforced concrete (SFRC) has the advantages of high strength, durability, and crack prevention ability. Studies on the compressive strength, tensile strength and flexural behavior of SFRC have been carried out by many researchers. …”
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Study on Dynamic Behavior and Energy Dissipation of Rock considering Initial Damage Effect by Aihong Lu, Jinhai Xu, Yu Xia, Lei Sun

“…The test results show that the dynamic stress-strain curve of rock specimens with initial damage can be roughly divided into compaction stage, elastic deformation stage, crack evolution stage, and strain-softening stage; the higher the initial damage degree of rock mass, the more significant the compaction stage. …”
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Influence of hBN and MoS2 fillers on toughness and thermal stability of carbon fabric-epoxy composites by Yermal Shriraj Rao, Shivamurthy Basavannadevaru, Nanjangud Mohan Subbarao, Nagaraja Shetty

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Deformation Characteristics of Ultrahigh-Strength Concrete under Unrestrained and Restrained States by Joo-Ha Lee, Kwang-Mo Lim, Doo-Yeol Yoo, Nam-Hyoung Lim

“…In particular, UHSC is known to have a considerably higher level of autogenous shrinkage than normal strength concrete (NSC), and the possibility of cracking at an early age is very high. …”
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Evaluation of tensile properties of FRP composite laminates under varying strain rates and temperatures by Prahlad Srinivas Joshi, S.K. Panigrahi

“…Glass, Glass-Carbon, Glass-metal epoxy composites showed higher peak tensile stress under room temperature with varying strain rates as compared to neat carbon epoxy composites. …”
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Mechanical Properties of Glued-Laminated Timber with Different Assembly Patterns by Shan Gao, Man Xu, Nan Guo, Ying Zhang

“…The beam section assembled by the asymmetrical mixed-grade pattern retains the higher level of safety compared to those assembled by uniform-grade and symmetrical mixed-grade patterns. …”
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Enhancement of Fracture Toughness of NiTi Alloy by Controlling Grain Size Gradient by Kai Huang, Zhongzheng Deng, Hao Yin

“…Meanwhile, the locally non-uniform GS distribution leads to deviation and tortuosity of the crack path, increasing the critical fracture stress. …”
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Characteristics of Water Distribution in Vadose Zone in the Soil Site and Its Impact on Site Preservation by ZHANG Xiaozhou, YUN Zhihan, YUAN Wei, LI Yi, ZHAO Fan

“…Affected by water,ruins of soil texture are prone to crack,crispness,salt accumulation,moss and other hazards,which is not conducive to their preservation.In order to find out the source of soil water damage in the soil site so as to provide a reliable basis for the preservation of this site,based on the refined hydrogeological survey,this paper used the Solinst Levelogger groundwater recorder and MW307GD-M4 wireless gradient soil three-parameter monitoring terminal to continuously monitor the water trend in vadose zone in a long time sequence,and analyse the cause and mechanism of water damage in the archeological shed.The results show that the moisture content of the vadose zone of the ruin is generally high,with that of the same layer outside the shed about 10% higher than that inside the shed,but the soil permeability coefficients mainly range from 2.07×10^-5 to 3.41×10^-5cm/s,suggesting the weak effect of the rainfall outside the shed on the soil in the shed through horizontal infiltration.The phreatic water level ranges from 3.2 to 5.6 m,with an amplitude of about 0.25 m within the hydrological year.The rising capillary water subject to its fluctuation can directly affect the excavation interface under extreme rainfall conditions as the main control factor of the water damage of the ruin of soil texture.By reference to the engineering-geological concept of “upstream flow interception,downstream flow discharge and local flow control”,regulating the moisture content of the soil body in the sacrificial area casts new light on the preservation of ruins of soil texture.…”
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Flexural Behaviour of RC Beams Strengthened with Prestressed CFRP NSM Tendon Using New Prestressing System by Woo-tai Jung, Jong-sup Park, Jae-yoon Kang, Moon-seoung Keum, Young-hwan Park

“…The experimental results show that the crack and yield loads increase with higher level of prestress, while the ductility tends to reduce, and the anchor plate should be installed within the effective depth ds to minimize the occurrence of shear-induced diagonal cracks. …”
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Energy Analysis on Dynamic Fragmentation Degree of Cemented Sand Specimens under Confining Pressure by Ying Xu, Jinjin Ge, Wei Huang

“…The results show that (1) the absorbed energy and incident energy were in a linear relationship and the proportion between them was relatively constant under confining pressure, and the absorbed energy had a quadratic relationship with the incident energy under zero confining pressure. (2) The fracture energy ratio increased with the increase in incident energy, the damage energy ratio decreased with the increase in incident energy, and the damage energy ratio were always higher than the fracture energy ratio under confining pressure. (3) The energy absorbed by the cemented sand specimens decreased sharply with the increase of confining pressure under the same incident wave energy conditions, and the reflected wave energy and transmitted wave energy increased. (4) When the incident wave energy was constant, the ratio of the energy causing surface fractures to the energy absorbed by the cemented sand specimens decreased sharply with the increase of confining pressure, while the energy causing crack growth and damage increased sharply. …”
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Influence of Hydrogen Content on the Microstructure and Mechanical Properties of ER5183 Wires by Yilong Han, Songbai Xue, Renli Fu, Lihao Lin, Zhongqiang Lin, Yinyin Pei, Huawei Sun

“…Moreover, higher hydrogen content in the ϕ5.2 mm welding wire will bring obvious changes in the fracture surface, which are internal cracks and micropores replacing the original uniform and compact dimples. …”
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Dynamic mechanical properties and failure mechanism of sustainable lightweight aggregate rubber concrete by Lin Chen, Fei Yang, Yehua Hong, Wanhui Feng, Xin Li

“…It is found that the elastic failure characteristics of rubber particles provide additional crack paths for the conical failure of artificial lightweight aggregate, enhancing the mortar's flexibility and dynamic energy dissipation capacity. …”
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Degradation Resistance and Reliability Analysis of Recycled Aggregate Concrete in a Sulfate Environment by Hui Cao, Lifeng Zhao, Chenggong Lu, Lijuan Guan, Hongxia Qiao, Qiong Li

“…The stress the expansion products exerted in the later stage caused the concrete to crack and peel, which demonstrated that the fluctuation law of mass and the dynamic elastic modulus increased first and then decreased. …”
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PPV Criterion of a Rock Slope Imbedded with a Fault subjected to Blasting P-Waves by Shiwei Lu, Chuanbo Zhou, Zhen Zhang, Ling Ji, Nan Jiang

“…The open-pit mining slopes continue to become higher and steeper with the continuous exploitation of near-surface mineral resources. …”
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Comparison of Sn-5Sb and Sn-10Sb Alloys in Tensile and Fatigue Properties Using Miniature Size Specimens by Tatsuya Kobayashi, Kyosuke Kobayashi, Kohei Mitsui, Ikuo Shohji

“…The tensile strength and 0.1% proof stress of Sn-10Sb are higher than those of Sn-5Sb at 25°C. Elongation of Sn-5Sb decreases with increasing the temperature except for a strain rate of 2 × 10−1 s−1, while Sn-10Sb increases with increasing temperature. …”
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