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author:

Zheng, Zhenhuan (Zheng, Zhenhuan.) [1] (Scholars:郑振环) | Li, Qiang (Li, Qiang.) [2] (Scholars:李强)

Indexed by:

EI Scopus PKU CSCD

Abstract:

Atmospheric plasma sprayed molybdenum splats were collected on polished 1Cr13 stainless steel. The morphology, microstructure and crystalline orientation distribution of the splat was characterized by surface profiler, energy dispersive spectrometer (EDS), scanning electron microscope (SEM) and electron-backscattered diffraction (EBSD). The results show that the morphology of splat is flower-like type with spread splashing. Because of substrate melting and droplet impacting, substrate beneath the splat center forms a crater with the average depth of 0.7 μm. Fine columnar grains whose sizes ranging from 0.75 to 9.25 μm with average valve of 2.30 μm form in the central region of splat. The splat has radially elongated grains with sizes between 4.25 to 18.25 μm in the peripheral region. The average grain size of elongate grains is 8.50 μm. The thermal resistance of peripheral region is higher than that of central region due to curling, thus the grain is coarser. Regardless of central region of splat or peripheral region, grains show random crystalline orientation and no evident texture is observed. © 2016, Editorial Board of Transactions of the China Welding Institution, Magazine Agency Welding. All right reserved.

Keyword:

Crystalline materials Electron diffraction Microstructure Molybdenum Morphology Plasma jets Plasma spraying Scanning electron microscopy Spectrometers Textures

Community:

  • [ 1 ] [Zheng, Zhenhuan]School of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Li, Qiang]School of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China

Reprint 's Address:

  • 李强

    [li, qiang]school of materials science and engineering, fuzhou university, fuzhou; 350116, china

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Source :

Transactions of the China Welding Institution

ISSN: 0253-360X

CN: 23-1178/TG

Year: 2016

Issue: 6

Volume: 37

Page: 95-98

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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