| 高温浓硫酸泵用新型不锈钢的研究 |
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| 引用本文： | 秦紫瑞,刘德经.高温浓硫酸泵用新型不锈钢的研究[J].大连理工大学学报,1994,34(4):399-405. |
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| 作者姓名： | 秦紫瑞 刘德经 |
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| 作者单位： | 大连耐酸泵厂 |
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| 基金项目： | 国家“七五”科技攻关重点项目 |
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| 摘 要： | 设计了用于高温浓硫酸泵用新型不锈钢的化学成分，采用金相显微镜、Ｘ射线衍射仪，扫描电镜和多种腐蚀试验方法新型铸造不锈钢的组织、腐蚀形貌和耐蚀性能，试验了钢的机械性能，冶炼工艺，铸造性能与焊接性能，研究结果表明，新型铸造不锈钢具有优良的耐蚀性，较高的强度与良好的塑韧性，具有较好的工艺性能。
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| 关 键 词： | 金相组织 不锈钢 腐蚀 耐蚀性 |
Research on new stainless steel used for corrosion resistance pump in high-temperature concentrate sulphuric acid |
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| Oin Zirui,Li Longsheng,Liu Dejing,Sun Hongjun,Ma Ansheng.Research on new stainless steel used for corrosion resistance pump in high-temperature concentrate sulphuric acid[J].Journal of Dalian University of Technology,1994,34(4):399-405. |
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| Authors: | Oin Zirui Li Longsheng Liu Dejing Sun Hongjun Ma Ansheng |
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| Abstract: | In this research work,chemical compositions of new stainless steel used for corrosion resistance pump in high-temperature concentrate sulphuric acid are designed.The microstructure and corrosive mode and corrosion resistance of new steel are studied.Metallographic microscope,X-ray diffraction spectrum,SEM and corrosive testing are applled to experiments.M echanical properties,smelting technology,casting behavious and welding properties of the steel are also tested Experimental results show that,ZGOCr 1 7Nil7Si5 new stainless steel has good corrosion resistance, higher strength, and good plasticity and tough mess and possesses good smelting,casting,welding properties. The equipment made of the steel can meet the needs of production in high-temperature concentrate sulphuric acid and possesses higher service life. Therefore,ZGOCr l7Nil7Si5 new stainless steel possesses good synthetical properties and lower cost and broad applied prospects. |
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| Keywords: | corrosion resistant steel microstructure technological property tests/designing composition |
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