SnO2添加剂对AgCuOIn2O3复合材料电接触性能的影响

胡晨; 周晓龙; 陈力; 刘满门; 王立惠

doi:10.13801/j.cnki.fhclxb.20210415.001

SnO₂添加剂对AgCuOIn₂O₃复合材料电接触性能的影响

doi: 10.13801/j.cnki.fhclxb.20210415.001

胡晨^1,,
周晓龙^1, ,,
陈力^1,,
刘满门^2,,
王立惠^3,

1.
昆明理工大学云南省新材料制备与加工重点实验室，云南昆明 650093
2.
稀贵金属综合利用新技术国家重点实验室，云南昆明 650106
3.
中国有色桂林矿产地质研究院有限公司桂林市微电子元件电极材料与生物纳米材料重点实验室，广西桂林 541004

基金项目: 云南省科技计划重点项目 (2017FA027)

详细信息

通讯作者:
周晓龙，博士，教授，博士生导师，研究方向为金属基复合材料，　E-mail：kmzxlong2020@163.com

中图分类号: TB331
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出版历程
- 收稿日期: 2021-03-16
- 修回日期: 2021-04-06
- 录用日期: 2021-04-11
- 网络出版日期: 2021-04-15
- 刊出日期: 2021-03-01

Effect of SnO₂ additive on the electrical contact properties of AgCuOIn₂O₃ composites

HU Chen^1
,,
ZHOU Xiaolong^{1
, ,},
CHEN Li^1
,,
LIU Manmen^2
,,
WANG Lihui^3
,

1.
Key Laboratory of Advanced Materials of Yunan province, Kunming University of Science and Technology, Kunming 650093, China
2.
Kunming Institute of Precious Metals, Kunming, Yunnan, 650106, China
3.
Guilin Key Laboratory of Microelectronic Electrode Materials and Biological Nanomaterials, China Monferrous Metal (Guilin) Geology and Mining Co., Ltd., Guilin 541004, China

摘要

摘要: 采用反应合成法结合塑性变形工艺制备了不同SnO₂含量的AgCuOIn₂O₃SnO₂电触头材料，在JF04C触点材料测试机上对不同SnO₂含量的电触头材料进行电接触实验，研究了该材料的接触电阻、抗熔焊性和材料转移特性，并通过扫描电镜对试样阴/阳表面电侵蚀下的微观形貌进行了分析。结果表明AgCuOIn₂O₃SnO₂触头材料接触电阻小，当测试电压不超过12 V时，接触电阻随测试次数的增加呈现缓慢下降最后趋于稳定的趋势，当电压增大到18 V时，各试样的接触电阻均增大，且增幅程度不一。对于SnO₂含量不变的试样，熔焊力随着测试次数的增加呈现先增大后减小的趋势，材料的燃弧能量随电压的增大而增大，随着测试次数的增加呈锯齿形波动。电接触过程材料主要为阴极转移，材料的损耗量随SnO₂量的增多先增大后减小，阴/阳极触头表面呈凸凹状，且表面存在熔融金属液凝固状花样, 材料转移主要以熔桥方式进行，当SnO₂含量在0.5wt%~1.0wt%时，电接触性能最为优异。
- 反应合成法 /
- AgCuOIn₂O₃SnO₂ /
- 接触电阻 /
- 抗熔焊性 /
- 电触头材料 /
- 塑性变形工艺
Abstract: The AgCuOIn₂O₃SnO₂ electrical contact materials with different SnO₂ content were prepared by the reaction synthesis method combined with the plastic deformation process. Electrical contact experiments were carried out on electrical contact materials with different SnO₂ content on the JF04C contact material testing machine, and the contact resistance, welding resistance, and material transfer characteristics of the material were studied. The microscopic morphology under erosion was analyzed. The results show that the contact resistance of AgCuOIn₂O₃SnO₂ contact material is small. When the test voltage does not exceed 12 V, the contact resistance decreases slowly with the increase of the number of tests and finally tends to stabilize. When the voltage increases to 18 V, the contact resistance of each sample is equal increase, and the degree of increase varies. For samples with constant SnO₂ content, the welding force first increases and then decreases with the increase of the number of tests. The arcing energy of the material increases with the increase of the voltage, as the number of tests increases, it fluctuates in a zigzag shape. The material in the electrical contact process is mainly cathode transfer, and the loss of the material first increases and then decreases with the increase in the amount of SnO₂. The surface of the cathode/anode contacts is convex and concave, and there are molten metal solidification patterns on the surface. The material transfer is mainly carried out by melting bridge, and the electrical contact performance is best when the SnO₂ content is 0.5wt%-1.0wt%.
- reaction synthesis /
- AgCuOIn₂O₃SnO₂ /
- contact resistance /
- welding force /
- electrical contact materials /
- plastic deformation process

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图 1 AgCuOIn₂O₃SnO₂电触头材料的XRD图谱

Figure 1. XRD pattern of AgCuOIn₂O₃SnO₂ electrical contact material

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图 2 12 V/10 A (a)和18 V/10 A (b)试验条件下拉拔态(Φ1.4 mm)AgCuOIn₂O₃SnO₂试样的接触电阻与测试次数的关系

Figure 2. Relationship between contact resistance of drawing-state (Φ1.4 mm) AgCuOIn₂O₃SnO₂specimens and test times under 12 V/10 A (a) and 18 V/10 A (b) test condition

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图 3 不同试验条件下拉拔态(Φ1.4 mm)不同含量SnO₂的AgCuOIn₂O₃SnO₂试样的熔焊力与测试次数的关系

Figure 3. Relationship between welding force of AgCuOIn₂O₃SnO₂ sample with different SnO₂ content of drawing-state (Φ1.4 mm) specimens and test times

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图 4 0.2wt% (a)、 0.5wt% (b)和0.8wt% (c)以及1.0wt% (d) SnO₂含量的AgCuOIn₂O₃SnO₂电触头材料的燃弧能量与开闭次数的关系

Figure 4. Relationship between the arcing energy of AgCuOIn₂O₃SnO₂ electrical contact material with 0.2wt% (a), 0.5wt% (b), 0.8wt% (c) and 1.0wt% (d) SnO₂ content and the number of opening and closing under different voltage conditions

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图 5 AgCuOIn₂O₃0.8%SnO₂试样在测试电压12 V、18 V和电流10 A、25 A条件下的电触头质量损耗

Figure 5. Mass loss of AgCuOIn₂O₃0.8%SnO₂ electrical contacts under test voltages of 12 V, 18 V and test current of 10 A, 25 A

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图 6 不同SnO₂含量的AgCuOIn₂O₃SnO₂触头材料电侵蚀后的阴极和阳极表面SEM图像

Figure 6. SEM images of surface morphology of cathode and anode of AgCuOIn₂O₃SnO₂ contact material with different SnO₂ content after electro-erosion ((a), (c), (e) Anode; (b), (d), (f) Cathode)

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图 7 AgCuOIn₂O₃SnO₂材料纵向显微组织

Figure 7. Vertical microstructure of AgCuOIn₂O₃SnO₂ materials

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表 1 AgCuOIn₂O₃SnO₂的原材料成分配比(200 g)

Table 1. Raw materials of AgCuOIn₂O₃SnO₂ingot blank composition proportion (200 g)

	Composition	CuO/wt%	In₂O₃/wt%	SnO₂/wt%	Ag Powder/g	Ag₂O Powder/g	AgCu₂₀ Powder/g	AgIn₃₀ Powder/g	AgSn₁₅ Powder/g
#1	AgCuOIn₂O₃0.2%SnO₂	10	2	0.2	37.474	69.510	79.887	11.028	2.101
#2	AgCuOIn₂O₃0.5%SnO₂	10	2	0.5	32.478	71.356	79.887	11.028	5.251
#3	AgCuOIn₂O₃0.8%SnO₂	10	2	0.8	27.482	73.201	79.887	11.028	8.402
#4	AgCuOIn₂O₃1.0%SnO₂	10	2	1.0	24.152	74.430	79.887	11.028	10.503

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表 2 AgCuOIn₂O₃SnO₂电触头材料电接触性能试验参数

Table 2. Test parameters for electrical contact properties of AgCuOIn₂O₃SnO₂ electrical contact materials

Test condition	Test parameter
Voltage/V	12, 18
Electric current/A	10
Time interval/ms	500
Test times/times	10000
Test interval/times	100
Contact pressure/cN	80
Test method	Open and close test
Contact distance/mm	1

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表 3 AgCuOIn₂O₃0.8%SnO₂与AgCuOIn₂O₃材料的电接触性能数据

Table 3. Electrical contact property data of AgCuOIn₂O₃0.8%SnO₂ and AgCuOIn₂O₃ materials

Test Conditions	AgCuOIn₂O₃0.8%SnO₂			AgCuOIn₂O₃
Test Conditions	$ \bar{F} $/cN	$ \bar{R} $/mΩ	Δm/g	$ \bar{F} $/cN	$ \bar{R} $/mΩ	Δm/g
12 V/10 A	3.65	0.00111	0	15.59	0.00103	0.0004
12 V/25 A	7.32	0.00172	0	10.11	0.00116	0.0003
18 V/10 A	4.66	0.00149	0	8.99	0.00246	0.0005
18 V/25 A	7.65	0.00314	0.0001	6.25	0.00227	0.0005
Notes: $ \bar{F} $—Average welding force; $ \bar{R} $—Average contact resistance; Δm—Quality loss.

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