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Volume 65, Issue 6
Displaying 1-9 of 9 articles from this issue
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Special Feature / Surface Technologies in Biomedical Devices
Reviews
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Jun OHTA2014 Volume 65 Issue 6 Pages 244-246
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.244JOURNAL FREE ACCESSDownload PDF (717K)
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Tetsushi TAGUCHI2014 Volume 65 Issue 6 Pages 247-250
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.247JOURNAL FREE ACCESSDownload PDF (4412K) -
Yuki MAEKAWA, Yasushi SHIBUTA, Toshiya SAKATA2014 Volume 65 Issue 6 Pages 251-256
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.251JOURNAL FREE ACCESSDownload PDF (3323K) -
Improvement of Stimulus Performance by Surface Coating of Stimulus Electrodes for Retinal ProsthesisToshihiko NODA, Hiroaki TAKEHARA, Kiyotaka SASAGAWA, Takashi TOKUDA, J ...2014 Volume 65 Issue 6 Pages 257-261
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.257JOURNAL FREE ACCESSDownload PDF (609K) -
Masahito BAN2014 Volume 65 Issue 6 Pages 262-267
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.262JOURNAL FREE ACCESSDownload PDF (1408K)
Topics
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Masanori HIRATSUKA2014 Volume 65 Issue 6 Pages 268-271
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.268JOURNAL FREE ACCESSDownload PDF (1444K) -
Mitsunobu IWASAKI2014 Volume 65 Issue 6 Pages 272-275
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.272JOURNAL FREE ACCESSDownload PDF (794K)
Research Papers
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Masashi SEKINE, Keiji SONOYA, Masanobu NAKAMURA2014 Volume 65 Issue 6 Pages 276-282
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.276JOURNAL FREE ACCESSProperties of three thermal sprayed coatings were compared to select the effective sprayed coating for giving the thermal barrier to the Al alloy components of internal combustion engines. Results for coating 1 (top coat, Al2O3; bond coat, Ni-Cr), coating 2 (top coat, YSZ; bond coat, CoNiCrAlY), and coating 3 (SUS316) are presented below.
(1) After thermal cycle testing, no crack or delamination was apparent in coating 3.Partial cracks and delamination were observed in the top coating in coatings 1 and 2.
(2) All coatings have sufficient adhesion strength. The adhesion strength of coating 2 was especially high.
(3) The thermal barrier property of coating 2 was better than that of coating 1 or coating 3.
(4) Comprehensive evaluation results show that coating 2 had a good thermal barrier property and that coating 3 is a reasonable material because of its low cost as a thermal sprayed coating applied to Al alloy components of an internal combustion engine.View full abstractDownload PDF (2120K)
Tecnological Paper
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Ryu NAKAJIMA, Tomoyoshi KONISHI, Yoshihiro IKEDA2014 Volume 65 Issue 6 Pages 283-288
Published: June 01, 2014
Released on J-STAGE: June 01, 2015
DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.283JOURNAL FREE ACCESSPlasma electrolytic oxidation (PEO) is a surface treatment technology using anodic oxidation. Recently, PEO coatings have been developed industrially, mainly for application to surface treatment of light metals. This study was conducted to elucidate the effects of metal oxyacid salts such as AlO2−, SiO32− and [Zr(CO3)2(OH)2]2− on PEO coating formation. PEO coatings were formed from pyrophosphate electrolytes respectively containing metal oxyacid salts. PEO coatings showed high hardness as well as metal oxides sintered by molting and cooling. Each metal oxyacid salt was included in the coating, but surface morphology characteristics such as discharge channels and cracks mutually differed. Both the formation rate and contents of the metal oxyacid salts in the PEO coating increased in the following order: AlO2− <[Zr(CO3)2(OH)2]2−<SiO32−. Results show that addition of the metal oxyacid salts enhanced the PEO coating formation rate and uniformity. Presumably, this effect resulted from stability of the metal oxyacid salts in the electrolytes.View full abstractDownload PDF (1133K)
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