Search Results:　 1-20 of 60

1

Clarification of the defect formation mechanism in the stir zone by three dimensional visualization of material flow [in Japanese]

IMAIZUMI T. , MORISADA Y. , FUJII H.

溶接学会全国大会講演概要 91, 204-205, 2012-09-03

References (1)
2

Interface Microstructure and Mechanical Properties of Dissimilar Friction Stir Welded Joints between Zr_<55>Cu_<30>Ni_5Al_<10> Bulk Metallic Glass and Pure Al

SUN Yufeng , FUJII Hidetoshi , IMAGAWA Koichi , YOKOYAMA Yoshihiko , KIMURA Hisamichi , INOUE Akihisa

Materials Transactions 53(6), 1106-1112, 2012-06-01

References (19)
3

Effect of Welding Parameters on Microstructure and Mechanical Properties of Friction Stir Welded Plain Carbon Steel

GHOSH Mainak , HUSSAIN Murtuja , GUPTA Rajneesh Kumar

… In the present investigation, friction stir welding was carried out for plain carbon steel under variable rotational and traversing speed of tool keeping all other welding parameters same. … Substantial grain growth was found in heat affected zone. …

ISIJ International 52(3), 477-482, 2012-03-15

J-STAGE CrossRef References (17)
4

Effect of joining conditions on microstructure in stir zone for thick low carbon steel plate [in Japanese]

MORISADA Y. , NISHIMOTO R. , MIYAZAWA T. , FUJII H.

溶接学会全国大会講演概要 90, 168-169, 2012-03-15

References (1)
5

Effect of Tool Geometry on Material Flow and Joint Strength during Friction Stir Spot Welding using AZ31 Mg-alloy

Yamamoto Motomichi , Shinozaki Kenji , Kadoi Kota

… In this study, the theoretical tool design was proposed based on the material flow during friction stir spot welding. … Based on the material flow model, it became clear that the strong inwards flow produced by the shoulder or the increase of the heat input to soften material around the stir zone leaded to producing the ideal joint with the high tensile strength. …

Journal of Light Metal Welding 50(9), 365-370, 2012

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6

Microstructure and Toughness of Friction Stir Weld of Thick Structural Steel

Matsushita Muneo , Kitani Yasushi , Ikeda Rinsei , Endo Shigeru , Fujii Hidetoshi

… Friction stir welding (FSW) was performed with single-sided one-pass butt welding using 12 mm thick structural steel plates with 400 N mm–2 grade of tensile strength. … The microstructures and mechanical properties such as the Vickers hardness, tensile strength, and Charpy V-notch toughness of the weld joint were investigated, which verified the inhomogeneous features of the microstructure and toughness within the stir zone (SZ). …

ISIJ International 52(7), 1335-1341, 2012

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7

Investigation of tensile properties in friction stir zone of cast Al-alloy [in Japanese]

TAGAWA Tetsuya , IKAWA Ken , KATSURAGI Yohei , SHINODA Takeshi , MINAMI Fumiyoshi

溶接学会全国大会講演概要 89, 202-203, 2011-08-18
8

RELATIONSHIP BETWEEN HARDNESS AND MICROSTRUCTURE IN STIR ZONE OF 12% CR STEEL BY FSW

HUA Peng , NIE Cunzhu , SATO Yutaka S. , KOKAWA Hiroyuki , PARK Seung Hwan C. , HIRANO Satoshi

溶接学会全国大会講演概要 88, 54-55, 2011-03-28

References (6)
9

Tensile properties of friction stir welded 7075 aluminum alloy at Room Temperature

ITO Tsutomu , MOTOHASHI Yoshinobu , ITOH Goroh , HIRANO Satoshi

… Tensile properties of friction stir welded 7075-T6 and 7075-O aluminum alloy joints were investigated at room temperature. … After completion of friction stir welding, the joints were subjected to a natural aging treatment and then they were tested by tensile machine. … Fracture occurred in the stir zone of the T6 joint, and the fracture morphology of the joint was intergranular. …

Journal of Light Metal Welding 49(12), 467-473, 2011

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10

Microstructures and Mechanical Properties of Friction Stir Welded and Friction Stir Processed AZ91D Magnesium Alloy Diecast [in Japanese]

Yoshihara Koji , Nakama Dai , Katoh Kazuyoshi , Tokisue Hiroshi

… Microstructures and mechanical properties of friction stir welded(FSW) joint and friction stir processed(FSP) specimen of AZ91D magnesium alloy diecast were investigated. … Regardless of welding conditions, the microstructures of stirred zone both of FSW joint and FSP specimen showed finer than that of the base metal. … The microstructure of stirred zone of FSP specimen were finer than that of the FSW joint. …

Journal of Light Metal Welding 49(8), 281-287, 2011

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11

J0403-3-5 Mechanical Properties of Friction Stir Welded 7075 Aluminum Alloy at Room Temperature [in Japanese]

ITO Tsutomu , YUN Xiaoyong , GOLOBORODKO Alexandre , MOTOHAHSI Yoshinobu , ITOH Goroh , HIRANO Satoshi

… The mechanical properties of friction stir welded 7075-T6 and 7075-O aluminum alloy joints at room temperature were investigated. … In comparison with the base metal, the stir zone of the T6 joints had smaller Vickers hardness but that of the O joints had greater hardness. … The application of natural aging for 5 months caused the hardness in the stir zones of both joints to be greater than that of as-welded joints. …

年次大会講演論文集 : JSME annual meeting 2010(6), 379-380, 2010-09-04

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12

Microstructure and Toughness in Stir Zone for Friction Stir Welding of Thick Steel Plates [in Japanese]

MATSUSHITA Muneo , KITANI Yasushi , IKEDA Rinsei , ENDO Shigeru , FUJII Hidetoshi

溶接学会全国大会講演概要 87, 284-285, 2010-08-18

References (4) Cited by (1)
13

The Possibility of Friction Stir Welding of High Nitrogen-containing Austenitic Stainless Steel

MIYANO Yasuyuki , FUJII Hidetoshi , SUN Yufeng , IEKO Kouichi , KATADA Yasuyuki , KAMIYA Osamu

… To develop the practical use of high nitrogen-containing austenitic stainless steels (HNS), the possibility of using friction stir welding (FSW) of HNS was examined. … On the other hand, for FSW with WC-Co, the tool was deformed and the stir zone did not completely reach the bottom. … The stir zone produced by the Si3N4 tool showed a Vicker's hardness higher than the base metal and displayed a fine microstructure due to recrystallization. …

International Journal of the Society of Materials Engineering for Resources 17(2), 197-200, 2010

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14

Effects of Rotation Speed and Forward Speed on Stir Zone Formation During Friction Stir Processing of Al-7Si-0.3Mg Alloy

CUI S. , CHEN Z. W.

… Friction stir processing (FSP) could potentially be used to modify and refine the microstructures of aluminium alloy castings for use as structural rather than non-structural components. … However, there is currently an insufficient understanding on how FSP parameters affect the individual and combined flows forming the various regions in the processed zone during FSP in literature. …

International Journal of the Society of Materials Engineering for Resources 17(2), 158-162, 2010

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15

Microstructures and Mechanical Properties in Friction Stir Zone of Thixo-Molded AS41 Mg Alloy

YU Lina , NAKATA Kazuhiro , LIAO Jinsun

Materials Transactions 50(10), 2378-2383, 2009-10-01

References (22)
16

215 Microstructure Contol and Mechanical Properties of 7075-Aluminum Alloy by Means of Multi-Pass Friction Stir Processing (MP-FSP) [in Japanese]

MATSUDA Yutaka , MOTOHASHI Yoshinobu , SAKUMA Takaaki , PARK Seunghwan , HIRANO Satoshi , OKADA Kazuya

… Friction stir welding (FSW) is a kind of solid state bonding method developed by The Wekling Institute (TWI), and is a novel welding method for light metals and alloys. … It is now well known that FSW'ed zone has an equixial and fine-grained microstructure. … it is now called Friction Stir Processing (FSP). … We have found that Pass Boundary Zone (PBZ) appeares in the region between successive passes. …

茨城講演会講演論文集 : Ibaraki district conference 2009, 61-62, 2009-08-25

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17

Welding Structure and Tensile-Shear Properties of Friction-Stir Spot Welds Joined by Scrolled Groove Shoulder Tool without Probe in Aluminium Alloy [in Japanese]

TOZAKI Yasunari , UEMATSU Yoshihiko , TOKAJI Keiro

… Friction-stir spot welding (FSSW) has been performed using a newly designed scrolled groove shoulder tool without probe in aluminium alloy. … When the scrolled groove shoulder tool was used, the stir zone attained a depth of 2mm, while when the plain tool without scroll groove was employed, no stirring occurred in the depth direction, thus it was confirmed that the scroll groove formed on the shoulder surface was very useful in FSSW. …

Transactions of the Japan Society of Mechanical Engineers. A 75(750), 228-234, 2009-02-25

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18

4306 Features of Friction Stir Welded Joints through Post-Weld Heat Treatments in Structural Aluminum Alloys [in Japanese]

ISHIKAWA Takeshi , IWAKI Shunichi , KIDA Keiichi , OKADA Toshiya , EGUCHI Noritaka , OOIWA Naoki , NAMBA Keizo

… were carried out on features of friction stir welded (FS-welded) joints through post-weld heat treatments, where these joints were produced under the combination of 5083, 6N01 (6005C) and 7N01 (7204) alloys of 3 and 8 mm thick parent materials by two or three fabricators and four ways of friction stir welding (FSW) procedures, and also difference in their features caused by the dissimilarities were researched Post-weld heat treatments examined were artificial-ageing for 6-8 hours at about 180℃, heat treatment for 1 hour …

The Transportation and Logistics Conference 2008(17), 419-422, 2008-12-09

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19

4305 Fatigue Properties of Friction Stir Welded Joints and Their Residual Stress Distributions in Structural Aluminum Alloys [in Japanese]

KAMIOKA Mitsuhiro , OKUBO Katsumi , NAMBA Keizo

… Studies were carried out on fatigue properties of friction stir welded (FS-welded) joints with the combination of 8 mm thickness 5083 alloy parent material and two ways of friction stir welding procedures, under pulsating tension load mode. …

The Transportation and Logistics Conference 2008(17), 415-418, 2008-12-09

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20

4302 Hardness and Metallurgical Structures of Friction Stir Welded Joints in Structural Aluminum Alloys [in Japanese]

OKADA Toshiya , KIDA Keiichi , IWAKI Shunichi , ISHIKAWA Takeshi , EGUCHI Noritaka , OIWA Naoki , NAMBA Keizo

… Studies were carried out on hardness and metallurgical structures of friction stir welded (FS welded) joints under the combination of 5083, 6N01 (6005C) and 7N01 (7204) alloys of 8 mm thick parent materials by two or three fabricators and four ways of the procedures and also on difference in these hardness and structures caused by the dissimilarities. … Hardness distribution of FS welded zone, and their shapes and structures, etc., were clarified and these profiles were put in order according to these combinations. …

The Transportation and Logistics Conference 2008(17), 403-406, 2008-12-09

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