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Lingyao Meng, Jian Shang, Mengjiu Zhang, Aijun Xie and Yue Zhang
In this paper, rare-earth vanadiumizing layers were prepared on the surface of GCr15 steel by powder pack cementation. The tissue thicknesses of the vanadiumizing layers were characterized by metallographic microscopy, scanning electron microscopy, X-ray...
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Jiang Fan, Qinghao Yuan, Gaoxiang Chen, Huming Liao, Bo Li and Guangchen Bai
The Laser Metal Deposition (LMD) involves extremely complex multi-scale multi-physics and multiple thermal cycles issues, making it difficult to accurately predict the resultant mechanical properties of fabricated components from given process parameters...
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Wenjing Wang, Jinyi Bai, Shengchuan Wu, Jing Zheng and Pingyu Zhou
The welded bogie frame is the critical safety part of the urban metro vehicle. This paper focuses on finding out the factors inducing the fatigue cracks initiated from the positioning block weld toe of metro bogie frame. Fracture morphology and metallogr...
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Anatolii Kobets,Viktor Aulin,Oleksii Derkach,Dmytro Makarenko,Andrii Hrynkiv,Dmytro Krutous,Evgeniy Muranov
Pág. 49 - 57
This paper reports a comparative study of the polymeric materials operating in conjugation with steel. In agricultural engineering, a significant role in structural materials belongs to polymer composites. This type of material is characterized by the lo...
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Valerij Kassov,Eduard Gribkov,Olena Berezshnaya,Svetlana Malyhina,Andrej Sumets
Pág. 22 - 30
This paper reports a research into influence of different types of thermal cutting, namely argon-plasma, air-plasma, and oxygen-flux cutting, on regularities in the formation of a thermal impact zone and structure formation in the cutting area. The forma...
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Jerzy Winczek, Elzbieta Gawronska, Marek Gucwa and Norbert Sczygiol
The article presents the modeling of temporary temperature and phase share calculations during SAW (submerged arc welding) overlaying of steel elements. The input heat of a melted electrode and the heat of direct electric arc impact have been taken into ...
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Balázs Varbai, Timothy Pickle, Kornél Májlinger
Pág. 247 - 253
In duplex stainless steels the ideally 1:1 ratio of austenite-to-ferrite phases ensures the outstanding mechanical and corrosion properties compared to other, conventional stainless steel grades. However, this phase balance can be easily shifted to a mos...
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