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Ruilin Liu, Yunqi Liu, Hongming Liu, Yuanxing Li, Hui Chen and Zongtao Zhu
Laser?MIG hybrid welding?brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were in...
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Pauline Spaeter, Corentin Gay, Nassima Chenikha, Ghouti Medjahdi, Anne Vernière, Christophe Rapin, Lionel Aranda and Patrice Berthod
A conventionally cast CoNiFeMn0.5Cr1.5 alloy and two versions with 0.25 C & 3.7 Ta or 0.25 C & 3.7 Hf were tested in oxidation at 1000 °C for 50 h with thermogravimetric recording of the oxidation kinetic. In all cases, the obtained mass gain cur...
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Zhenhua Ren, Hui Wang, Lizheng Fang, Peng Ding and Xiantao Zeng
Stainless steel has the characteristics of oxidation resistance, high temperature resistance, corrosion resistance, high strength, and high yield ratio. The use of stainless steel bars can extend the life of a structure, reduce later maintenance costs, a...
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Ramachandra Canumalla and Tanjore V. Jayaraman
Near-a Ti alloys find themselves in advanced aeroengines for applications of up to 600 °C, mainly as compressor components owing to their superior combination of ambient- and elevated-temperature mechanical properties and oxidation resistance. We evaluat...
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Karthikeyan Ramasamy, Kalarani M. Karuppasami, Senthil Alagarswamy, Kavitha P. Shanmugam, Sivakumar Rathinavelu, Geethalakshmi Vellingiri, Umapathi Muniyappan, Thirukumaran Kanthan, Anitha Kuppusamy, Megala Rajendran, Arunkumar Kathirvel and Selvaraju Kanagarajan
Melatonin (MT), a naturally occurring compound, is found in various species worldwide. In 1958, it was first identified in the pineal gland of dairy cows. MT is an ?old friend? but a ?new compound? for plant biology. It brings experts and research minds ...
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Xuan Sun, Tao Yu, Yi Huang, Ming Xue, Chengtun Qu, Penghui Yang, Xiaofei Zhang, Bo Yang and Jinling Li
The discharge of large amounts of oily sludge heat treatment residues constitutes a severe threat to the environment. However, little is known about the toxicity of these heat-treated residues. Current research has mainly focused on the toxic effects of ...
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Wei Chen, Dalu Zhang, Enlei Wang, Feng Yan, Lin Xiang and Zhiwen Xie
Detailed tests and characterizations were used to investigate the corrosion degradation behaviors of Ti6Al4V alloys in simulated marine environments. These alloys suffered from very slight pitting and a miniscule weight loss of 0.018 mg/cm2 during the 50...
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Zihao Wang and Tetsuo Shoji
Hydrogen plays various roles in metals or at metal?environment interfaces. Well known effects on metals are hydrogen embrittlement, hydrogen enhanced local plasticity, hydrogen enhanced strain-induced vacancy, hydrogen accelerated oxidation, hydrogen-ind...
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Songyan Li, Xiaoxia Tian, Jiafu Wang and Shaobo Qu
Improving the microwave absorption performance of Co-MOF-derived Co@N-C composite by constructing the morphology and spatial structure is a known challenge. In this work, under the action of the binder polyvinylpyrrolidone, 3D-graphene particles can be w...
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Dmitrii Sidelev, Sergey Ruchkin and Egor Kashkarov
The resistance upset welds (RUW) made from E110 alloy without and with Cr coatings were oxidized in air atmosphere at 1100 °C for 2, 10 and 30 min. The cross-section microstructure, elemental composition and hardness were studied before and after oxidati...
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