TY - GEN A1 - Li, Zheng A1 - Xu, Siying A1 - Geißler, Karsten A1 - Wang, Jian A1 - Pasternak, Hartmut T1 - Developed numerical Analysis of Residual Stress caused by Welding and Cutting in Steel Structures T2 - ce/papers N2 - The welding and flame‐cutting process in the steel construction are commonly used, especially for the bridge structure. Some experiments about welding and cutting have been done separately by some researchers. The results from the experiments were also compared with the results from the numerical simulation under 3D or 2D models. The agreements between those results are as good as they predicted. Therefore, the numerical simulation is a better way to analyze the quality of the steel construction after welding and cutting without time‐consuming and a large amount of cost. But there are only a few research about the numerical simulation and the some of them are aimed to verify the experiments. In this study, the calculation about the residual stresses after welding and thermo‐cutting are considered from 3D‐model into 2D‐Model. The heat source model is simply regarded as curves of time and welding energy with the algorithm methods. And no matter the change of the parameters of the model and the heat source, the heat transfer and the residual stresses can be calculated with the 2D models as fast as possible. By the means of the finite element software Abaqus, the I‐profiles are easy to receive the job results with the input parameters. The influence of the welding and cutting process are visual and direct. KW - Welding KW - Flame cutting KW - Numerical simulation KW - Residual stress KW - Steel structures Y1 - 2023 U6 - https://doi.org/10.1002/cepa.2601 SN - 2509-7075 VL - 6 IS - 3-4 SP - 1507 EP - 1512 ER - TY - GEN A1 - Wang, Jian A1 - Li, Zheng A1 - Euler, Mathias T1 - Investigation on shear buckling of steel welded I-section beams with reinforced web openings T2 - ce/papers KW - Shear buckling KW - Reinforced web openings KW - Steel plate girder KW - 3D Laser Scanning Y1 - 2023 U6 - https://doi.org/10.1002/cepa.2361 VL - 6 IS - 3-4 SP - 1754 EP - 1760 ER - TY - GEN A1 - Wang, Jian A1 - Li, Zheng A1 - Pasternak, Hartmut A1 - Euler, Mathias T1 - Shear Buckling Behavior of Tapered Steel Plate Girders with Sinusoidally Corrugated Webs T2 - ce/papers KW - Plate girders KW - Shear Buckling KW - Tapered plate girders KW - Sinusoidal Corrugated Webs KW - Résal effect Y1 - 2023 U6 - https://doi.org/10.1002/cepa.2534 SN - 2509-7075 VL - 6 IS - 3-4 SP - 1787 EP - 1792 ER - TY - GEN A1 - Wang, Jian A1 - Li, Zheng A1 - Pasternak, Hartmut A1 - Euler, Mathias T1 - Querkrafttragfähigkeit von Wellstegträgern mit versteiften quadratischen Stegöffnungen T2 - Bauingenieur N2 - Die Ergebnisse aus drei Traglastversuchen und einer umfangreichen numerischen Parameterstudie (FE-Berechnungen) zum Tragverhalten von Wellstegträgern mit quadratischen Stegöffnungen werden vorgestellt. Es werden versteifte Stegöffnungen mit einem umlaufenden Versteifungskranz betrachtet. In der Parameterstudie werden die Einflüsse der Stegöffnungsgeometrie, der Trägergeometrie und der Position der Stegöffnung auf die Querkrafttragfähigkeit der Wellstegträger untersucht. KW - Wellstegträger KW - Stegöffnung KW - Versteifungskranz Y1 - 2023 U6 - https://doi.org/10.37544/0005-6650-2023-11-31 SN - 0005-6650 VL - 98 IS - 11 SP - 343 EP - 353 ER - TY - GEN A1 - Cao, Xianli A1 - Wang, Li A1 - Tao, Hui A1 - He, Weiwei A1 - Liang, Xiaopeng A1 - Liu, Bin A1 - Oehring, Michael A1 - Paul, Jonathan A1 - Pyczak, Florian A1 - Liu, Yong T1 - Morphology evolution of P-Ti3AlC carbides and their influence on creep properties in a crept Ti-45Al-5Nb-0.75C alloy T2 - Journal of Materials Research and Technology Y1 - 2024 U6 - https://doi.org/10.1016/j.jmrt.2024.02.146 SN - 2238-7854 VL - 29 SP - 4181 EP - 4190 PB - Elsevier BV ER - TY - GEN A1 - Buchanan, Erin M. A1 - Lewis, Savannah C. A1 - Paris, Bastien A1 - Forscher, Patrick S. A1 - Pavlacic, Jeffrey M. A1 - Beshears, Julie E. A1 - Drexler, Shira Meir A1 - Gourdon-Kanhukamwe, Amélie A1 - Mallik, Peter R A1 - Silan, Miguel Alejandro A. A1 - Miller, Jeremy K. A1 - IJzerman, Hans A1 - Moshontz, Hannah A1 - Beaudry, Jennifer L. A1 - Suchow, Jordan W. A1 - Chartier, Christopher R. A1 - Coles, Nicholas A. A1 - Sharifian, MohammadHasan A1 - Todsen, Anna Louise A1 - Levitan, Carmel A. A1 - Azevedo, Flávio A1 - Legate, Nicole A1 - Heller, Blake A1 - Rothman, Alexander J. A1 - Dorison, Charles A. A1 - Gill, Brian P. A1 - Wang, Ke A1 - Rees, Vaughan W. A1 - Gibbs, Nancy A1 - Goldenberg, Amit A1 - Thi Nguyen, Thuy-vy A1 - Gross, James J. A1 - Kaminski, Gwenaêl A1 - von Bastian, Claudia C. A1 - Paruzel-Czachura, Mariola A1 - Mosannenzadeh, Farnaz A1 - Azouaghe, Soufian A1 - Bran, Alexandre A1 - Ruiz-Fernandez, Susana A1 - Santos, Anabela Caetano A1 - Reggev, Niv A1 - Zickfeld, Janis H. A1 - Akkas, Handan A1 - Pantazi, Myrto A1 - Ropovik, Ivan A1 - Korbmacher, Max A1 - Arriaga, Patrícia A1 - Gjoneska, Biljana A1 - Warmelink, Lara A1 - Alves, Sara G. A1 - de Holanda Coelho, Gabriel Lins A1 - Stieger, Stefan A1 - Schei, Vidar A1 - Hanel, Paul H. P. A1 - Szaszi, Barnabas A1 - Fedotov, Maksim A1 - Antfolk, Jan A1 - Marcu, Gabriela-Mariana A1 - Schrötter, Jana A1 - Kunst, Jonas R. A1 - Geiger, Sandra J. A1 - Adetula, Adeyemi A1 - Kocalar, Halil Emre A1 - Kielińska, Julita A1 - Kačmár, Pavol A1 - Bokkour, Ahmed A1 - Galindo-Caballero, Oscar J. A1 - Djamai, Ikhlas A1 - Pöntinen, Sara Johanna A1 - AGESIN, Bamikole Emmanuel A1 - Jernsäther, Teodor A1 - Urooj, Anum A1 - Rachev, Nikolay R. A1 - Koptjevskaja-Tamm, Maria A1 - Kurfalı, Murathan A1 - Pit, Ilse L. A1 - Li, Ranran A1 - Çoksan, Sami A1 - Dubrov, Dmitrii A1 - Paltrow, Tamar Elise A1 - Baník, Gabriel A1 - Korobova, Tatiana A1 - Studzinska, Anna A1 - Jiang, Xiaoming A1 - Aruta, John Jamir Benzon R. A1 - Vintr, Jáchym A1 - Chiu, Faith A1 - Kaliska, Lada A1 - Berkessel, Jana B. A1 - Tümer, Murat A1 - Morales-Izquierdo, Sara A1 - Chuan-Peng, Hu A1 - Vezirian, Kevin A1 - Rosa, Anna Dalla A1 - Bialobrzeska, Olga A1 - Vasilev, Martin R. A1 - Beitner, Julia A1 - Kácha, Ondřej A1 - Žuro, Barbara A1 - Westerlund, Minja A1 - Nedelcheva-Datsova, Mina A1 - Findor, Andrej A1 - Krupić, Dajana A1 - Kowal, Marta A1 - Askelund, Adrian Dahl A1 - Pourafshari, Razieh A1 - Đorđević, Jasna Milošević A1 - Schmidt, Nadya-Daniela A1 - Baklanova, Ekaterina A1 - Szala, Anna A1 - Zakharov, Ilya A1 - Vranka, Marek A. A1 - Ihaya, Keiko A1 - Grano, Caterina A1 - Cellini, Nicola A1 - Białek, Michał A1 - Anton-Boicuk, Lisa A1 - Dalgar, Ilker A1 - Adıgüzel, Arca A1 - Verharen, Jeroen P. H. A1 - Maturan, Princess Lovella G. A1 - Kassianos, Angelos P. A1 - Oliveira, Raquel A1 - Čadek, Martin A1 - Adoric, Vera Cubela A1 - Özdoğru, Asil Ali A1 - Sverdrup, Therese E. A1 - Aczel, Balazs A1 - Zambrano, Danilo A1 - Ahmed, Afroja A1 - Tamnes, Christian K. A1 - Yamada, Yuki A1 - Volz, Leonhard A1 - Sunami, Naoyuki A1 - Suter, Lilian A1 - Vieira, Luc A1 - Groyecka-Bernard, Agata A1 - Kamburidis, Julia Arhondis A1 - Reips, Ulf-Dietrich A1 - Harutyunyan, Mikayel A1 - Adetula, Gabriel Agboola A1 - Allred, Tara Bulut A1 - Barzykowski, Krystian A1 - Antazo, Benedict G A1 - Zsido, Andras N. A1 - Šakan, Dušana Dušan A1 - Cyrus-Lai, Wilson A1 - Ahlgren, Lina Pernilla A1 - Hruška, Matej A1 - Vega, Diego A1 - Manunta, Efisio A1 - Mokady, Aviv A1 - Capizzi, Mariagrazia A1 - Martončik, Marcel A1 - Say, Nicolas A1 - Filip, Katarzyna A1 - Vilar, Roosevelt A1 - Staniaszek, Karolina A1 - Vdovic, Milica A1 - Adamkovic, Matus A1 - Johannes, Niklas A1 - Hajdu, Nandor A1 - Cohen, Noga A1 - Overkott, Clara A1 - Krupić, Dino A1 - Hubena, Barbora A1 - Nilsonne, Gustav A1 - Mioni, Giovanna A1 - Solorzano, Claudio Singh A1 - Ishii, Tatsunori A1 - Chen, Zhang A1 - Kushnir, Elizaveta A1 - Karaarslan, Cemre A1 - Ribeiro, Rafael R. A1 - Khaoudi, Ahmed A1 - Kossowska, Małgorzata A1 - Bavolar, Jozef A1 - Hoyer, Karlijn A1 - Roczniewska, Marta A1 - Karababa, Alper A1 - Becker, Maja A1 - Monteiro, Renan P. A1 - Kunisato, Yoshihiko A1 - Metin-Orta, Irem A1 - Adamus, Sylwia A1 - Kozma, Luca A1 - Czarnek, Gabriela A1 - Domurat, Artur A1 - Štrukelj, Eva A1 - Alvarez, Daniela Serrato A1 - Parzuchowski, Michal A1 - Massoni, Sébastien A1 - Czamanski-Cohen, Johanna A1 - Pronizius, Ekaterina A1 - Muchembled, Fany A1 - van Schie, Kevin A1 - Saçaklı, Aslı A1 - Hristova, Evgeniya A1 - Kuzminska, Anna O. A1 - Charyate, Abdelilah A1 - Bijlstra, Gijsbert A1 - Afhami, Reza A1 - Majeed, Nadyanna M. A1 - Musser, Erica D. A1 - Sirota, Miroslav A1 - Ross, Robert M. A1 - Yeung, Siu Kit A1 - Papadatou-Pastou, Marietta A1 - Foroni, Francesco A1 - Almeida, Inês A. T. A1 - Grigoryev, Dmitry A1 - Lewis, David M. G. A1 - Holford, Dawn L. A1 - Janssen, Steve M. J. A1 - Tatachari, Srinivasan A1 - Batres, Carlota A1 - Olofsson, Jonas K. A1 - Daches, Shimrit A1 - Belaus, Anabel A1 - Pfuhl, Gerit A1 - Corral-Frias, Nadia Sarai A1 - Sousa, Daniela A1 - Röer, Jan Philipp A1 - Isager, Peder Mortvedt A1 - Godbersen, Hendrik A1 - Walczak, Radoslaw B. A1 - Van Doren, Natalia A1 - Ren, Dongning A1 - Gill, Tripat A1 - Voracek, Martin A1 - DeBruine, Lisa M. A1 - Anne, Michele A1 - Očovaj, Sanja Batić A1 - Thomas, Andrew G. A1 - Arvanitis, Alexios A1 - Ostermann, Thomas A1 - Wolfe, Kelly A1 - Arinze, Nwadiogo Chisom A1 - Bundt, Carsten A1 - Lamm, Claus A1 - Calin-Jageman, Robert J A1 - Davis, William E. A1 - Karekla, Maria A1 - Zorjan, Saša A1 - Jaremka, Lisa M. A1 - Uttley, Jim A1 - Hricova, Monika A1 - Koehn, Monica A A1 - Kiselnikova, Natalia A1 - Bai, Hui A1 - Krafnick, Anthony J. A1 - Balci, Busra Bahar A1 - Ballantyne, Tonia A1 - Lins, Samuel A1 - Vally, Zahir A1 - Esteban-Serna, Celia A1 - Schmidt, Kathleen A1 - Macapagal, Paulo Manuel L. A1 - Szwed, Paulina A1 - Zdybek, Przemysław Marcin A1 - Moreau, David A1 - Collins, W. Matthew A1 - Joy-Gaba, Jennifer A. A1 - Vilares, Iris A1 - Tran, Ulrich S. A1 - Boudesseul, Jordane A1 - Albayrak-Aydemir, Nihan A1 - Dixson, Barnaby James Wyld A1 - Perillo, Jennifer T A1 - Ferreira, Ana A1 - Westgate, Erin C. A1 - Aberson, Christopher L. A1 - Arinze, Azuka Ikechukwu A1 - Jaeger, Bastian A1 - Butt, Muhammad Mussaffa A1 - Silva, Jaime R. A1 - Storage, Daniel Shafik A1 - Janak, Allison P A1 - Jiménez-Leal, William A1 - Soto, Jose A. A1 - Sorokowska, Agnieszka A1 - McCarthy, Randy A1 - Tullett, Alexa M A1 - Frias-Armenta, Martha A1 - Ribeiro, Matheus Fernando Felix A1 - Hartanto, Andree A1 - Forbes, Paul A. G. A1 - Willis, Megan L. A1 - del Carmen Tejada R, María A1 - Torres, Adriana Julieth Olaya A1 - Stephen, Ian D A1 - Vaidis, David C. A1 - de la Rosa-Gómez, Anabel A1 - Yu, Karen A1 - Sutherland, Clare A. M. A1 - Manavalan, Mathi A1 - Behzadnia, Behzad A1 - Urban, Jan A1 - Baskin, Ernest A1 - McFall, Joseph P. A1 - Ogbonnaya, Chisom Esther A1 - Fu, Cynthia H. Y. A1 - Rahal, Rima-Maria A1 - Ndukaihe, Izuchukwu L. G. A1 - Hostler, Thomas J. A1 - Kappes, Heather Barry A1 - Sorokowski, Piotr A1 - Khosla, Meetu A1 - Lazarevic, Ljiljana B. A1 - Eudave, Luis A1 - Vilsmeier, Johannes K. A1 - Luis, Elkin O. A1 - Muda, Rafał A1 - Agadullina, Elena A1 - Cárcamo, Rodrigo A. A1 - Reeck, Crystal A1 - Anjum, Gulnaz A1 - Venegas, Mónica Camila Toro A1 - Misiak, Michal A1 - Ryan, Richard M. A1 - Nock, Nora L. A1 - Travaglino, Giovanni A. A1 - Mensink, Michael C. A1 - Feldman, Gilad A1 - Wichman, Aaron L. A1 - Chou, Weilun A1 - Ziano, Ignazio A1 - Seehuus, Martin A1 - Chopik, William J. A1 - Kung, Franki Y. H. A1 - Carpentier, Joelle A1 - Vaughn, Leigh Ann A1 - Du, Hongfei A1 - Xiao, Qinyu A1 - Lima, Tiago J. S. A1 - Noone, Chris A1 - Onie, Sandersan A1 - Verbruggen, Frederick A1 - Radtke, Theda A1 - Primbs, Maximilian A. T1 - The psychological science accelerator’s COVID-19 rapid-response dataset T2 - Scientific Data Y1 - 2023 U6 - https://doi.org/10.1038/s41597-022-01811-7 SN - 2052-4463 VL - 10 IS - 1 SP - 1 EP - 15 PB - Springer Science and Business Media LLC ER - TY - GEN A1 - Li, Bai A1 - Gao, Jiarong A1 - Wang, Xiuru A1 - Ma, Lan A1 - Cui, Qiang A1 - Veste, Maik T1 - Effects of biological soil crusts on water infiltration and evaporation Yanchi Ningxia, Maowusu Desert, China T2 - International Journal of Sediment Research N2 - Biological soil crusts serve as a vanguard for improving the ecological environment in arid, semi-arid desertification areas.It is a good indicator of the level of improvement which the local ecological evironment is undertaking. In desert areas, water condition is a key factor of improving the ecological environment. As a first layer protection, biological crusts play an important role in local vegetation succession due to their abilities to conserve and maintain moisture. Using Maowusu desert in Yanchi of Ningxia province as an example, after three years of research, this paper chooses three kinds of biological crusts including lichen, moss and cyanobacterial which are under the cover of Artemisia ordosicaas research objects. The results of this study indicate that, the closer biological crusts are to Artemisia ordosica vegetation, the thicker they become. In the same position of Artemisia ordosica vegetation, the thickness of moss crusts is the highest, followed by lichen crusts, and the thickness of cyanobacterial crusts is the lowest. Biological soil crusts coverage protects the natural water content of soil layers from 0 to 5cm. Also, it effects falling water to infiltrate deeper, and cannot prevent the surfacewater content from evaporating effectively. The effect of biological crusts blocking water infiltration decreases with the increase of rainfall. At the same rainfall level, moss crusts provide the strongest water infiltration blockage, followed by lichen crusts and cyanobacterial crusts. With the increase of rainfall, the depth of water infiltration increases.At the same rainfall level, the relationship of water infiltration depth is as follows: cyanobacterial crusts > lichen crusts > moss crusts. With the increase of biological crusts thickness, they blocking water infiltration capacity is stronger, and the depth of water infiltration is smaller. Analysis on the characteristic of simulated rainfall process on biological crusts shows that sandy land can be fixed by applying appropriate artificial biological crusts to build a sustainable forest protection system and to create a stable ecosystem in desertification area. Y1 - 2016 U6 - https://doi.org/10.1016/j.ijsrc.2016.05.005 SN - 1001-6279 VL - 31 IS - 4 SP - 311 EP - 323 ER - TY - GEN A1 - Wang, Guan A1 - Zhu, Zihong A1 - Cao, Jianhua A1 - Zhu, Tongbin A1 - Zhou, Jinxing A1 - Müller, Christoph A1 - Li, Junran A1 - Freese, Dirk A1 - Le Roux, Xavier T1 - Agricultural cultivation duration affects soil inorganic N turnover and supply capacity : Evidence in subtropical karst regions T2 - Agriculture, Ecosystems & Environment N2 - The conversion of indigenous woodlands to agricultural lands has significantly altered nitrogen (N) cycling, impacting both ecosystem productivity and environmental health locally and globally. The relationship between cultivation duration and soil N availability and the mechanisms that drive these changes, however, remain unclear. In this study, we aimed to investigate how the duration of agricultural reclamation influences soil N cycling in the karst landscapes of southwestern China. We selected economic crops that have been cultivated for 1, 5, 15, and 30 years and conducted a regional survey using 15N labeling and molecular biology techniques to assess the effects of cultivation duration on soil N cycling. Our results show that short-term reclamation (< 5 years) caused minimal changes in soil N dynamics, with little effect on the net production rates of NH4+ and NO3–. However, as cultivation duration increased, we observed progressive declines in mineralization, nitrification, and microbial immobilization rates of NH4+ and NO3–. This led to a substantial reduction in soil inorganic N availability (–39 % for NH4+ and –70 % for NO3–) and a significant increase in the mean residence time of NH4+ and NO3–, indicating a slower N turnover. Long-term reclamation (30 years) resulted in the most pronounced effects, reducing the soil’s capacity to supply inorganic N by impairing soil organic matter input, degrading soil structure, and lowering soil pH. Key soil variables such as soil organic carbon content, pH, total N, and soil aggregate stability explained over 80 % of the variance in N turnover rates. Overall, our findings suggest that while shortterm reclamation has little impact, long-term agricultural practices significantly impair soil N cycling and availability. Sustainable agricultural practices that enhance soil organic matter content and promote soil aggregate stability could help preserve soil health and maintain productivity in karst and similar regions worldwide. Y1 - 2025 U6 - https://doi.org/10.1016/j.agee.2024.109462 SN - 0167-8809 VL - 381 PB - Elsevier BV ER - TY - GEN A1 - Liu, Xu A1 - Song, Lin A1 - Pyczak, Florian A1 - Stark, Andreas A1 - Wang, Li A1 - Guo, Xiang A1 - Zhang, Tiebang T1 - Stress-induced orthorhombic O phase in TiAl alloys T2 - Acta materialia N2 - The orthorhombic O phase precipitation within the D019-α2 phase has attracted increasing attention recently in high Nb containing TiAl (high Nb-TiAl) alloys since the precipitation temperature is close to the expected service temperature of the alloys. In this study, in-situ synchrotron high energy X-ray diffraction (HEXRD) reveals that the O phase precipitates at 550 °C while it dissolves into the α2 phase at 750 °C during heat treatments. However, under external stress the O phase unexpectedly precipitates from α2 phase at 800 °C and even 900 °C. The O phase formation proceeds further in the presence of a critical stress promoted by internal stress accumulation in the α2 phase, whereas the reverse O→α2 phase transformation takes place when the internal stresses are relaxed. Additionally, it has been revealed that the O phase preferentially precipitates from specifically oriented α2 grains with one of their <110> directions aligned perpendicular and their 〈0001〉 directions rotated by an angle of 120° out of the external load axis. This α2 phase orientation facilitates the α2→O crystal transition during uniaxial compression. Transmission electron microscopy (TEM) study shows that stress-induced α2→O transformation is governed by small atomic shifts in the α2 lattice. In addition, the selective growth of certain O variants via shuffling along an [110]α2 direction is found to accommodate the external strain component in this direction. KW - Titanium aluminides KW - Phase transformation KW - Strain accumulation KW - Variant selection KW - Hot compression Y1 - 2025 U6 - https://doi.org/10.1016/j.actamat.2025.120751 SN - 1359-6454 VL - 286 SP - 1 EP - 13 PB - Elsevier BV CY - Amsterdam ER -