巻号一覧
75 巻, 5 号
選択された号の論文の8件中1～8を表示しています
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永田 員也, 中村 吉伸2002 年 75 巻 5 号 p. 183-188
発行日: 2002年
公開日: 2007/05/28
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高原 淳2002 年 75 巻 5 号 p. 189-194
発行日: 2002年
公開日: 2007/05/28
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手塚 育志2002 年 75 巻 5 号 p. 195-200
発行日: 2002年
公開日: 2007/05/28
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正木 信男, 鈴木 重信, 古屋 治, 藤田 聡2002 年 75 巻 5 号 p. 201-206
発行日: 2002年
公開日: 2007/05/28
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浅井 治海2002 年 75 巻 5 号 p. 207-209
発行日: 2002年
公開日: 2007/05/28
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史 暁東, 森 邦夫, 大石 好行, 吉田 敦2002 年 75 巻 5 号 p. 210-215
発行日: 2002年
公開日: 2007/05/28
ジャーナル フリーThe effect of various additives such as different nickel carboxylate, accelerator MBTS, sulfur and ZnO on the peel strength has been studied in the direct adhesion of surface-treated magnesium alloys to styrene butadiene rubber-natural rubber (SBR-NR) blends. Good adhesion was obtained by using nickel branched-alkyl carboxylates such as nickel 2-ethylhexanoate and nickel isostearate, whereas no effect for this adhesion was observed when nickel straight-chain carboxylates such as nickel n-octanoate and nickel n-stearate were added. The analysis of adhesion interface by an electroprobe microanalyzer and X-ray photoelectron spectroscope showed that nickel, sulfur and zinc in rubber compounds transferred onto the surface of Mg alloys and the amounts of these elements raised with the increase of nickel 2-ethylhexanoate concentration. This suggestes that interface layers which contained ZnS and active nickel sulfides are formed at the adhesion interface during vulcanization, and the interface layers become thicker by increasing the nickel 2-ethylhexanoate concentration.
Moreover, it is found that the highest peel strength were obtained when 0.5phr for MBTS, 2phr for sulfur and 5 phr for ZnO were added in rubber compounds respectively, but peel strength under the excessive sulfur or MBTS addition decreased due to the drop in tearing strength of vulcanized rubber.抄録全体を表示PDF形式でダウンロード (1058K) -
飯塚 博, 橋詰 潤, 高橋 秀雄, 福村 雅人2002 年 75 巻 5 号 p. 216-221
発行日: 2002年
公開日: 2007/05/28
ジャーナル フリーFatigue failure mechanism in synchronous belts with steel cord was investigated. The steel cord was made of twisting nineteen steel wires. The construction of the cord is described as 1×19, which consists of one core wire, six inner layer wires and twelve outer layer wires. The belt failure was initiated near the tooth root, where the steel cords were fatigued. The curvature of the belt was measured and confirmed that the belt was bent largely at the failure initiation site. Namely, the belt was damaged by the bending fatigue. Then, the bending fatigue tests of the steel cord were carried out to examine the fatigue failure mechanism. The fatigue failure was firstly initiated in the outer layer wires. However, the bending stress was lowest in the outer layer wires and is highest in the core wire, according to a simple geometrical analysis. Therefore, it is necessary to consider the initiation caused by another type of stresses based on the contact between the wires.抄録全体を表示PDF形式でダウンロード (1423K) -
倉持 智宏, 大塚 順子, 橋本 和彦2002 年 75 巻 5 号 p. 222-223
発行日: 2002年
公開日: 2007/05/28
ジャーナル フリーPDF形式でダウンロード (363K)
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