高压物理学报

AISI 304L奥氏体不锈钢表面微孔结构的强流脉冲电子束快速制备与表征

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蔡杰 ¹ , 邹阳 ¹ , 万明珍 ¹ , 彭冬晋 ¹ , 李艳 ¹ , 顾倩倩 ¹ , 关庆丰 ¹^,²

高压物理学报 | 2012,26(6): 693-699

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高压物理学报 | 2012 , 26 (6) : 693 -699

AISI 304L奥氏体不锈钢表面微孔结构的强流脉冲电子束快速制备与表征

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蔡杰¹, 邹阳¹, 万明珍¹, 彭冬晋¹, 李艳¹, 顾倩倩¹, 关庆丰¹^,²

作者信息

^1.江苏大学材料科学与工程学院，江苏镇江　212013

^2.吉林大学超硬材料国家重点实验室，吉林长春　130012

通讯作者:

关庆丰（1963—），男，教授，博士生导师，从事表面改性及微结构研究. E-mail：guanqf@ujs.edu.cn

作者简介:

蔡杰（1987—），女，硕士研究生，主要从事载能束表面改性研究. E-mail：caijie_lucky@163.com

Rapid Preparation and Characterization of the Surface Microstructures of AISI 304L Austenitic Stainless Steel by High-Current Pulsed Electron Beam

Jie CAI¹, Yang ZOU¹, Ming-Zhen WAN¹, Dong-Jin PENG¹, Yan LI¹, Qian-Qian GU¹, Qing-Feng GUAN¹^,²

Affiliations

^1.College of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China

^2.State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China

出版时间: 2012-12-15

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摘要

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利用强流脉冲（HCPEB）电子束技术，对AISI 304L奥氏体不锈钢进行了辐照处理，并利用透射电子显微镜对HCPEB诱发的空位簇缺陷进行了表征。实验结果表明，HCPEB辐照金属可在辐照表层诱发大量的过饱和空位，并形成空位型位错圈和堆垛层错四面体（SFT）。利用金相显微镜、扫描电子显微镜和非接触式光学轮廓仪，对其表面形貌进行了详细的表征，发现电子束处理后的样品表面形成了高密度、弥散分布和尺寸细小的微孔，表面微孔是由于HCPEB轰击诱发的大量空位（簇）缺陷，以线或面等结构缺陷为路径，向表层迁移导致空位的累积而形成的。采用HCPEB技术，选择合适的材料和辐照工艺参数，可以成功地制备出表面多孔金属材料。

关键词

强流脉冲电子束 / 304L不锈钢 / 微孔 / 多孔材料

Abstract

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High-current pulsed electron beam (HCPEB) technique was used to irradiate the AISI 304L austenitic stainless steel. The vacancy defect clusters of the irradiated surface layer were investigated by using transmission electron microscopy. The experimental results indicated that a large number of supersaturation vacancies involving vacancy dislocation loops and stacking fault tetrahedra (SFT) were induced on the irradiated surface layer after HCPEB irradiation. Additionally, surface morphologies of the irradiated samples were characterized by optical microscope，scanning electron microscope and non-contact optical profiler in detail. It was found that high density, fine and dispersed micropores were inevitably formed. The dominating formation mechanism of surface micropores should be attributed to the migration of large number of vacancies (clusters) defect along line and (or) surface structure defects towards the irradiated near-surface layer during HCPEB bombardment and cause vacancies accumulation. The present results indicate that HCPEB technique is a new method to successfully fabricate the surface porous metallic materials by selecting appropriate materials and adjusting HCPEB process parameters.

Key words

high-current pulsed electron beam (HCPEB) / 304L stainless steel / micropore / porous material

引用本文

蔡杰, 邹阳, 万明珍, 彭冬晋, 李艳, 顾倩倩, 关庆丰. AISI 304L奥氏体不锈钢表面微孔结构的强流脉冲电子束快速制备与表征. 高压物理学报, 2012 , 26 (6) : 693 -699 .

Jie CAI, Yang ZOU, Ming-Zhen WAN, Dong-Jin PENG, Yan LI, Qian-Qian GU, Qing-Feng GUAN. Rapid Preparation and Characterization of the Surface Microstructures of AISI 304L Austenitic Stainless Steel by High-Current Pulsed Electron Beam[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (6) : 693 -699 .

基金

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国家自然科学基金(U1233111)
超硬材料国家重点实验室开放基金(201205)
江苏大学科技创新团队及高级人才基金(07JDG032)

参考文献

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2012年第26卷第6期

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接收时间：2011-04-26
首发时间：2026-11-05
出版时间：2012-12-15

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出版历史

收稿日期：2011-04-26
修回日期：2011-06-22

基金

国家自然科学基金(U1233111)

超硬材料国家重点实验室开放基金(201205)

江苏大学科技创新团队及高级人才基金(07JDG032)

作者信息

^1.江苏大学材料科学与工程学院，江苏镇江　212013

^2.吉林大学超硬材料国家重点实验室，吉林长春　130012

通讯作者:

关庆丰（1963—），男，教授，博士生导师，从事表面改性及微结构研究. E-mail：guanqf@ujs.edu.cn

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https://castjournals.cast.org.cn/joweb/gywlxb/CN/1325115137312568104

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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