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 Posted: Thu 12:15, 20 Jan 2011 Post subject: air jordans Sand reuse water glass technology _895 |
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Reuse water glass sand reclamation technology
hina) Abstract: Thedevelopmentprocessofnewtypevermicularizingalloyswasdescribed. Astheresultoftheinvestigation, akindofRe-Cu-zn-Mg-Si-Fevermicularizingalloywithcompositionofw (RE) 15% ~ 22%, w (Cu) 15% ~ 22%,[link widoczny dla zalogowanych], w (Zn) 2.5% a 4%, W (Mg) 0 ~ 3%, w (Si) 29% -32% wasobtained. Thiskindofvermicularizingalloyhastheadvantagethatitsproperadditionrangeiswide, SOitieneficialtoobtainstablevermicularity. Keywords: vermiculariron; vermicularizingalloy; vermicularizingrangewideningelement the compacted graphite cast iron has excellent performance, so 60 years from the last century, engineering has been paying attention at home and abroad, and its increasingly wide range of applications. Of rare earth rich in resources, the world's first production of rare earth ferrosilicon alloy compacted graphite iron country. And magnesium than the rare earth Received :2006-12-22 revised date :2007-04-10 Author: Son Shu (1937.3 A), male, professor, mainly engaged in research in terms of strengthening and toughening alloy , Tel :010 -67391294. [2] Zhu Chunxi, Lu Chen, Ji London life. Basic Theory of sodium silicate sand [M]. Shanghai: Shanghai Jiaotong University Press, 2000:8. [3] GUO Jing Chun,[link widoczny dla zalogowanych], Guo Sifu. Foundry Sand Recycling and pollution control [M]. Guangzhou: Zhongshan University Press, 2001:12. [4] Fan Zitian, Huang Naiyu. Wet Sand new water glass recycling system equipment [JJ. Casting, 1999, (7) :49-52. [5] Fan Zitian,[link widoczny dla zalogowanych], Huang Naiyu. Affect the residual ester ester cured water glass dry reclaimed sand casting performance mainly due to JJ_, 2000, (10) :773-775. [6] Fan Zitian, director general election, Huang Naiyu. Water glass sand process and material progress of the new casting ��JJ_, 2002,[link widoczny dla zalogowanych], (9) :530-534 .68 J Modern Cast Iron 2007 / 3 elements less to globalization, this is precisely suitable for vermicularizing, and with Rare as vermicularizing, get a good form of vermicular graphite, compacted graphite short and wide, separating the role of the metal matrix is smaller, plastic high silicon iron alloy with rare earth do vermicularizing drawback is the amount of suitable addition of narrow range to FeSiRE21 (RE) 21.5%�� alloy, for example, the sulfur content of liquid iron and rare earth ferrosilicon relationship between the amount added in Table 1. Table 1 rare earth ferrosilicon addition of sulfur content in iron melt and the relationship between llITab. 1RelationshipbetweenFeSiRE21additionamountandsulphurcontentofbaseiron [7] Fan Zitian, Huang Naiyu. Sodium silicate used sand and wet with dry recycled back [JJ_ Foundry Technology,[link widoczny dla zalogowanych], 2002, f31 :9-12. [81ZTFan, NYHuang, XPDong. Inhousereuseandreclamationofusedfoundrysandswithsodiumsilicatebinder [JJ_InternationalJournalofCastMetalsResearch, 2004,17, (1) :51-56. [9] WilliamLTordoff, JeremyMiller. CouldCryogenicsCrystallizeasanOptionforSandreclamation [JJ_ModemCasting, 1998, ( :35-37. - Delays
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