Microstructure evolution in dissimilar metal joint interface obtained by friction welding of cast iron and carbon steel

Ueji, Rintaro; Fujii, Hidetoshi; Ninomiya, Taketoshi et al.

Transactions of JWRI, 2013, 42(1), 33-37

Number of Access:262（2025-06-07 01:47 Counts）

Identifier to cite or link to this item: https://doi.org/10.18910/26594

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Title
Microstructure evolution in dissimilar metal joint interface obtained by friction welding of cast iron and carbon steel
Creator
NRID
1000080380145 1000080380145
CreatorName
Ueji, Rintaro
NRID
1000000247230 1000000247230
ORCID
0000-0002-5023-3844 0000-0002-5023-3844
researchmap permalink
read0051741 read0051741
Scopus Author ID
7403071460 7403071460
CreatorName
Fujii, Hidetoshi
CreatorName
Ninomiya, Taketoshi
CreatorName
Mino, Akira
Subject
friction welding
microstructure
dissimilar joint
cast iron
carbon steel
Abstract
The microstructure of the dissimilar joint between the ductile cast iron (JIS-FCD400) and the carbon steel (JIS-S45C) was studied in order to clarify the behaviors of the carbon diffusion and the plastic deformation. The interface of the joint consists of four different areas with different microstructures: (i) spheroidized graphite with a similar diameter to the base metal of the cast iron; (ii) the multi phased structure consisting of ferrite, pearlite and spheroidized graphite; (iii) pearlite only; (iv) ferrite and pearlite structure which is similar to the base metal of the carbon steel. The analysis of the Si distribution, the zones (i), (ii) and (iii) were included in the cast iron and (iv) lied in the carbon steel. The formation mechanism of the these microstructures was explained by the diffusion of carbon from the cast iron to the carbon steel and the inhomogeneous distribution of temperature. The misorientation measurement by the electron backscattering diffraction clarified that the area near the interface, which is the boundary between (iii) and (iv), was exposed to plastic deformation.
Publisher
大阪大学接合科学研究所
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
Joining and Welding Research Institute, Osaka University
Source Title
Transactions of JWRI
Volume (Issue)
42(1)
Page
33-37
Date of Issued
2013-06
Language
English
Handle URL
https://hdl.handle.net/11094/26594
DOI
https://doi.org/10.18910/26594
PISSN
03874508
NCID
AA00867058
Access Rights
open access
oaire:version
Version of Record
Category
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.42 No.1 (2013-06)