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投稿时间:2021-02-26 修订日期:2021-03-12
投稿时间:2021-02-26 修订日期:2021-03-12
中文摘要: 采用胶结法制备Fe-17Mn-5Cr-1.5Al/聚氨酯高阻尼复合材料,成功实现了材料内部聚氨酯阻尼层的均匀可控分布以及与Fe-17Mn-5Cr-1.5Al合金层的紧密结合。采用多功能内耗仪测试了Fe-17Mn-5Cr-1.5Al/聚氨酯复合材料的内耗特性,发现其内耗峰随着测试频率的增加向高温方向移动,表现出典型的弛豫特性。研究了内耗峰高与阻尼层厚度、阻尼层层数之间的变化关系,发现当阻尼层厚度增加至2.0 mm时,或者阻尼层数增加至2层时,内耗峰高达到最大。相较而言,抗弯性能则随着阻尼层厚度和层数的增加而单调增加。Fe-17Mn-5Cr-1.5Al/聚氨酯复合材料的阻尼性能主要来源于聚氨酯阻尼层的贡献,而抗弯性能则主要来源于Fe-17Mn-5Cr-1.5Al合金层的贡献。
Abstract:A novel Fe-17Mn-5Cr-1.5Al/ Polyurethane (PU) high damping composite is successfully prepared by the adhesive welding method, which realizes a uniform controlled distribution of PU layers and their close combinations with Fe-17Mn-5Cr-1.5Al layers. IF equipment is employed to measure the damping capacity of Fe-17Mn-5Cr-1.5Al/PU composites, and the results indicate the peak position of Fe-17Mn-5Cr-1.5Al/ PU composite all shifts obviously toward higher temperature with the increasing measurement frequency, which indicates its typical relaxation features. The relationships of the IF peak height with the PU thickness or layer numbers have been researched, and the results indicate the relaxation strength of the IF peak reaches a maximum when the PU thickness is 2.0 mm or the PU layers number is 2. The high damping of Fe-17Mn-5Cr-1.5Al/ PU composite is ascribed to the high damping of PU. In addition, the bending strength of Fe-17Mn-5Cr-1.5Al/PU composite increases with the increasing of PU thickness and layer numbers, and its good bending strength is ascribed to perfect mechanical property of Fe-17Mn-5Cr-1.5Al alloy.
keywords: Fe-Mn based alloys Polyurethane High damping composites Relaxation type IF peak Bending property
文章编号: 中图分类号: 文献标志码:
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者 | 单位 | |
吴松岭 | 中国核动力研究设计院 | slwucn@163.com |
高云霞* | 中科院合肥物质科学研究院 | yxgao@issp.ac.cn |
王辉 | 中国核动力研究设计院 | |
李刚 | 中国核动力研究设计院 | |
王先平 | 中科院合肥物质科学研究院 | |
蒋卫斌 | 中科院合肥物质科学研究院 | |
方前锋 | 中科院合肥物质科学研究院 |
引用文本:
吴松岭,高云霞,王辉,李刚,王先平,蒋卫斌,方前锋.新型Fe-17Mn-5Cr-1.5Al/聚氨酯高阻尼复合材料制备及性能研究[J].有色金属工程,2021,(10):.
吴松岭,高云霞,王辉,李刚,王先平,蒋卫斌,方前锋.新型Fe-17Mn-5Cr-1.5Al/聚氨酯高阻尼复合材料制备及性能研究[J].有色金属工程,2021,(10):.