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  • Open Access

    ARTICLE

    Spikelet Filling Characteristics in Early-Season Rice Experiencing High Temperatures during Ripening

    Jiazhou Li1,2, Mingyu Zhang1, Xing Li1,3, Fangbo Cao1,2, Jiana Chen1,2, Weiqin Wang1,2, Huabin Zheng1,2, Min Huang1,2,4,*

    Phyton-International Journal of Experimental Botany, Vol.95, No.1, 2026, DOI:10.32604/phyton.2025.075255 - 30 January 2026

    Abstract Spikelet filling characteristics in early-season rice in southern China may be distinctive due to its exposure to high temperatures during the ripening period. However, limited information is currently available on these characteristics. This study aimed to characterize spikelet filling in early-season rice and identify the key factors contributing to its improvement. Field experiments were conducted over two years (2021 and 2022) to mainly investigate the proportions of fully-filled, partially-filled, and empty spikelets, along with the biomass-fertilized spikelet ratio and harvest index, in 11 early-season rice varieties. The results revealed significant varietal variation in spikelet filling,… More >

  • Open Access

    ARTICLE

    A Temperature-Indexed Concrete Damage Plasticity Model Incorporating Bond-Slip Mechanism for Thermo-Mechanical Analysis of Reinforced Concrete Structures

    Wu Feng1,2,*, Tengku Anita Raja Hussin1, Xu Yang3

    Structural Durability & Health Monitoring, Vol.20, No.1, 2026, DOI:10.32604/sdhm.2025.071664 - 08 January 2026

    Abstract This study investigates the thermo–mechanical behavior of C40 concrete and reinforced concrete subjected to elevated temperatures up to 700°C by integrating experimental testing and advanced numerical modeling. A temperature-indexed Concrete Damage Plasticity (CDP) framework incorporating bond–slip effects was developed in Abaqus to capture both global stress–strain responses and localized damage evolution. Uniaxial compression tests on thermally exposed cylinders provided residual strength data and failure observations for model calibration and validation. Results demonstrated a distinct two-stage degradation regime: moderate stiffness and strength reduction up to ~400°C, followed by sharp deterioration beyond 500°C–600°C, with residual capacity at… More >

  • Open Access

    PROCEEDINGS

    High-Temperature Fracture Behavior and Toughening Mechanisms of PIP-C/SiC Composites: An Integrated Experimental and Phase-Field Study

    Kunjie Wang, Chenghai Xu*, Xinliang Zhao, Songhe Meng

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.34, No.1, pp. 1-1, 2025, DOI:10.32604/icces.2025.011534

    Abstract Considering the high-temperature application environment and quasi-brittle characteristics, the high-temperature fracture toughness of C/SiC composites is of great significance for the safety application of components in service.
    In this work, the fracture toughness of PIP-C/SiC composites at 25–1600 ℃ in inert atmosphere was tested. The test results show that the fracture toughness and modes of C/SiC composites have significant temperature dependence and difference in in-plane and out-of-plane orientations. With the rising of temperature, the carrying capacity and KIC of C/SiC composites increase first and then decrease, and an inflection point occurs near the fabrication temperature.… More >

  • Open Access

    ARTICLE

    Time-Resolved Experimental Analysis of Granite–Mortar Interface Permeability under High-Temperature Conditions

    Wei Chen*, Yuanteng Zhao, Yue Liang

    FDMP-Fluid Dynamics & Materials Processing, Vol.21, No.12, pp. 3033-3053, 2025, DOI:10.32604/fdmp.2025.073778 - 31 December 2025

    Abstract In deep underground engineering, geological disposal of nuclear waste, and geothermal development, the granite–mortar interface represents a critical weak zone that strongly influences sealing performance under high-temperature conditions. While previous studies have primarily focused on single materials, the dynamic evolution of interface permeability under thermal loading remains insufficiently understood. In this study, time-resolved gas permeability measurements under thermal cycling (20°C → 150°C → 20°C) were conducted, complemented by multi-scale microstructural characterization, to investigate the nonlinear evolution of permeability. Experimental results indicate that interface permeability at room temperature is approximately one order of magnitude higher than… More >

  • Open Access

    ARTICLE

    Compound Fertilizer Application Improves the Growth of Herbaceous Peony (Paeonia lactiflora Pall.) under High Temperature in Summer

    Zhipeng Sheng, Zhaoyu Hou, Jun Tao, Daqiu Zhao*

    Phyton-International Journal of Experimental Botany, Vol.94, No.6, pp. 1751-1767, 2025, DOI:10.32604/phyton.2025.065874 - 27 June 2025

    Abstract Summer high temperatures have severely impaired the growth of herbaceous peony (Paeonia lactiflora Pall.) in East China. While compound fertilizer application enhances soil fertility and promotes plant growth, its efficacy in maintaining optimal plant performance under summer heat stress remains poorly understood. This study investigated the effects of compound fertilizer application on herbaceous peony growth during summer thermal stress. Results demonstrated that compound fertilizer supplementation significantly improved plant growth under elevated temperatures, manifesting enhanced phenotypic characteristics, elevated antioxidant enzyme activities, and increased nutrient accumulation. Compared to untreated controls, fertilized plants exhibited three key responses: (1) increased More >

  • Open Access

    ARTICLE

    Study of the effect of CdCl2 introduction on the high temperature activation treatment of CdTe:As polycrystalline thin films

    G. M. Liua, G. Hub, P. Tangc, L. L. Wua,d,*, X. Haoa,d, G. G. Zenga, W. W. Wanga, J. Q. Zhanga,d

    Chalcogenide Letters, Vol.21, No.10, pp. 797-808, 2024, DOI:10.15251/CL.2024.2110.797

    Abstract V-doped CdTe polycrystalline films can achieve both doping activation and defect passivation by high-temperature CdCl2 heat treatment, but this requires simultaneous modulation of the amount of CdCl2 introduced to obtain high-quality films. It is found that increasing the CdCl2 introduction does not change the physical phase structure and lattice constant of CdTe:As thin films, but promotes grain recrystallisation, and can promote the formation of A-center, and inhibit the formation of Cd vacancy (VCd) defects, as well as the formation of deep energy level defects. The results provide guidance for the improvement of high-temperature CdCl2 heat treatment of More >

  • Open Access

    PROCEEDINGS

    An Investigation of Low/High Temperature Hot Corrosion Mechanism in a Ni-Base Superalloy Coated with Na2SO4+NaCl Salt Mixture

    Baishun Yang1, Biao Li1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.32, No.3, pp. 1-1, 2024, DOI:10.32604/icces.2024.011944

    Abstract Hot corrosion behavior of GH4169 nickel-based superalloy coated with 95wt.%Na2SO4+5wt.%NaCl salt mixture at 650 ℃,800 ℃, and 950 ℃ were investigated by some material characterization methods. The Experimental results showed that hot corrosion kinetics followed a parabolic, linear and exponential laws at 650 ℃, 800 ℃, and 950 ℃ respectively. Notably, as the temperature ascended from 650 ℃ to over 800 ℃, the corrosion mechanisms underwent a transition from pit corrosion to uniform erosion, corresponding to low-temperature hot corrosion (LTHC) and high-temperature hot corrosion (HTHC). At 650 ℃, a large number of semi-ellipsoidal corrosion pits manifested More >

  • Open Access

    ARTICLE

    Pressure Impulse during Explosive Boiling on the Surface of a High Temperature Melt in Water—Discussion of the Calculation Model

    Yuri Ivochkin1, Igor Teplyakov1, Oleg Sinkevich1,2, Sergei Shchigel1, Stepan Yudin1,2,*

    Frontiers in Heat and Mass Transfer, Vol.22, No.6, pp. 1805-1821, 2024, DOI:10.32604/fhmt.2024.056787 - 19 December 2024

    Abstract This study explores the mechanism behind the generation of pressure pulses on the outer surface of a molten metal droplet when immersed in water. The absence of any external trigger is assumed, and the droplet is surrounded by a vapor layer with surface hydrodynamic waves at the vapor-liquid interface. The study examines the heating conditions of a cylindrical column of water used to model a volume of cold liquid interacting with a hot metal surface, which explosively boils upon direct contact. Within the framework of classical homogeneous nucleation theory, the relationship between pressure pulse magnitude… More >

  • Open Access

    PROCEEDINGS

    In-Situ Carbide-Reinforced NiCoCr Medium-Entropy Alloy Manufactured by Laser Powder Bed Fusion; Fabrication, Microstructure, Mechanical Property, and High Temperature Oxidation Behavior

    Kee-Ahn Lee1,*, So-Yeon Park1, Soo-Bin Kim1, Young-Kyun Kim1,2

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.4, pp. 1-1, 2024, DOI:10.32604/icces.2024.012196

    Abstract NiCoCr medium-entropy alloys (MEAs) with controlled interstitial C contents were fabricated by using powder bed fusion-type additive manufacturing (AM) process. And the microstructure, mechanical properties, and high temperature oxidation resistance of in-situ carbide-reinforced NiCoCr Medium alloy were investigated. The initial microstructure shows that both AM-built interstitial C-doped MEAs had a heterogeneous grain structure and epitaxial growth grains along the building direction. The analysis of electron channeling contrast images showed a large amount of nano-sized precipitates (in-situ precipitates) distributed at the sub-structure boundaries formed by a dislocation network, and a large number of stacking faults were simultaneously observed inside the sub-structure. A… More >

  • Open Access

    PROCEEDINGS

    Dynamic Crack Propagation of Ceramic Materials under High Temperature Thermal Shock

    Biao Xia1,2, Changxing Zhang2,3,*, Zhanli Liu2, Xue Feng2

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.29, No.3, pp. 1-2, 2024, DOI:10.32604/icces.2024.012764

    Abstract Ceramics has become one of the most promising candidate materials in the aerospace field due to its advantages of high melting point, corrosion resistance, wear resistance, and high-temperature stability [1,2]. However, the inherent brittleness of ceramics makes it prone to thermal shock failure under high-temperature extreme environments, which can lead to sudden catastrophic accidents in the structure [3-6]. This paper takes the high-temperature resistant ceramic materials in the aerospace industry as the research object. And the dynamic crack propagation mechanism is analyzed. Through the computational method based on the extended finite element method (XFEM), the… More >

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