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Advances in Tribology
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Advances in Tribology
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2011
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Article
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Fig 18
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Research Article
Development of New PM Iron-Based Materials for Self-Lubricating Bearings
Figure 18
SEM micrographs of the marginal zone of the materials sintered at 900°C for 50 minutes: (a) 1% Sn; (b) 1.5% Sn; (c) 2.5% Sn.