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Authors: Z. Y. Zhang 1 ; Y. H. Xie 1 and D. Zhang 2

Affiliations: 1 School of Energy and Power Engineering and Xi’an Jiaotong University, China ; 2 Key Laboratory of Thermal Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering and Xi’an Jiaotong University, China

Keyword(s): water erosion experiment system; impacting angle; cumulative erosion-time curve; incubation period; maximum erosion rate

Abstract: In order to simulate the water erosion process of blades in final turbine stage under the actual operating conditions, the water erosion experiment system has been designed and built in the present research. High-speed water jet was used to impact three kinds of structural steel material under three impact angle (30°, 60°, and 90°) to obtain the cumulative erosion-time curves of specimen. The incubation period and maximum erosion rate are chosen as the criterion to evaluate the erosion resistance of the testing materials. Based on the mechanical properties of testing materials, it is figured out that water erosion resistance of materials is influenced by different mechanical properties (hardness, tensile Strength, elasticity and shear modulus) at different stages. According to the characteristic size changes in width and depth of erosion craters, it is verified that the shear effect of lateral jet is greater than the impact effect of normal jet.

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Paper citation in several formats:
Zhang, Z.; Xie, Y. and Zhang, D. (2018). Experimental Investigation of the Water Erosion Resistance of Turbine Blade Materials at Different Impact Angle. In Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE; ISBN 978-989-758-346-9, SciTePress, pages 221-228. DOI: 10.5220/0007436802210228

@conference{iwmce18,
author={Z. Y. Zhang. and Y. H. Xie. and D. Zhang.},
title={Experimental Investigation of the Water Erosion Resistance of Turbine Blade Materials at Different Impact Angle},
booktitle={Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE},
year={2018},
pages={221-228},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007436802210228},
isbn={978-989-758-346-9},
}

TY - CONF

JO - Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE
TI - Experimental Investigation of the Water Erosion Resistance of Turbine Blade Materials at Different Impact Angle
SN - 978-989-758-346-9
AU - Zhang, Z.
AU - Xie, Y.
AU - Zhang, D.
PY - 2018
SP - 221
EP - 228
DO - 10.5220/0007436802210228
PB - SciTePress

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