Page 69 - 《摩擦学学报》2020年第6期
P. 69
752 摩 擦 学 学 报 第 40 卷
S a 0.873 μm Z/μm S a 1.092 μm Z/μm
S q 1.083 μm 2 S q 1.286 μm
S z 6.435 μm S z 6.390 μm 2
1 1
400
400 0 0
0
0 300 −1 100 300 −1
100
200 200 200 Y/μm
200 −2 −2
300 100 Y/μm X/μm 300 100
X/μm
400 −3 400 −3
0 0
−4
(a) UnSMRT in water (b) SMRT in water
S a 1.192 μm Z/μm S a 1.044 μm Z/μm
S q 1.435 μm 3 S q 1.250 μm 3
S z 8.959 μm S z 7.179 μm
2 2
1 1
400 0 400
0 0 0
300 −1
100 −2 100 300 −1
200 200 −3 200 200 −2
300 Y/μm Y/μm
100 −4 X/μm 300 100 −3
X/μm
400 −5 400
0 0 −4
(c) UnSMRT in HCl (d) SMRT in HCl
Fig. 9 3D topographies of the worn surface (Corresponding to Fig. 6(a-b) and 8(a-b) respectively)
图 9 磨损表面的三维形貌(依次对应图6(a-b)和8(a-b))
+
现出比粗晶基体更优异的抗腐蚀磨损性能. tribological performance of N -implanted stainless steel under
lubrication conditions[J]. Tribology, 2019, 39(1): 46–52 (in Chinese)
3 结论 [韩露, 程传杰, 陈晨, 等. 剂量对润滑条件下氮离子注入316L不锈
钢摩擦学行为的影响[J]. 摩擦学学报, 2019, 39(1): 46–52].
a.利用表面机械滚压处理(SMRT)技术在316L不
[ 2 ] Huang Haiwei, Wang Zhenbo, Lu Jian, et al. Fatigue behaviors of
锈钢表面成功制备了梯度纳米结构层,厚度达200 μm
AISI 316L stainless steel with a gradient nanostructured surface
以上,表面硬化层厚度超过1.5 mm,表面硬度提升至
layer[J]. Acta Materialia, 2015, 87: 150–160. doi: 10.1016/j.actamat.
粗晶基体的近2倍. 2014.12.057.
b.梯度纳米结构层由表及里依次为等轴纳米晶 [ 3 ] F B Saada, Z Antar, K Elleuch, et al. The effect of nanocrystallized
层、片状孪晶层以及伴随高密度位错层的粗晶层;其 surface on the tribocorrosion behavior of 304L stainless steel[J].
中,最表层等轴晶粒尺寸在30 nm左右. 研究发现纳米 Wear, 2018, 394-395: 71–79. doi: 10.1016/j.wear.2017.10.007.
硬度随深度分布并非广为认知的单调递减,而是受表 [ 4 ] V Pandey, J K Singh, K Chattopadhyay, et al. Influence of ultrasonic
shot peening on corrosion behavior of 7075 aluminum alloy[J].
层材料微观组织结构影响.
Journal of Alloys and Compounds, 2017, 723: 826–840. doi:
c.与粗晶基体的严重点蚀不同,SMRT加工获得
10.1016/j.jallcom.2017.06.310.
的纳米结构表面能有效抵抗表面腐蚀;尽管SMRT对
[ 5 ] Wang Shaojie, Han Jing, Han Yuejiao, et al. Effects of surface nano-
降低摩擦系数影响不大,但它能大大减缓材料磨损,
crystallization on microstructure and properties of 304 stainless steel
与基体试样相比,SMRT试样在腐蚀介质下减摩效果 carburized layer[J]. China Surface Engineering, 2017, 30(3): 25–30
比纯水环境更明显,且在腐蚀环境下表现出优异的耐 (in Chinese) [王少杰, 韩靖, 韩月娇, 等. 表面纳米化对304不锈钢
腐蚀性能,其磨损机制由处理前伴随严重剥落特征的 渗碳层组织和性能的影响[J]. 中国表面工程, 2017, 30(3): 25–30].
疲劳磨损和磨粒磨损转变为轻微疲劳磨损. doi: 10.11933/j.issn.1007-9289.20161027003.
[ 6 ] Wen Lei, Wang Yaming, Zhou Y, et al. Iron-rich layer introduced
参 考 文 献
by SMAT and its effect on corrosion resistance and wear behavior of
[ 1 ] Han Lu, Cheng Chuanjie, Chen Chen, et al. Effect of dose on 2024 Al alloy[J]. Materials Chemistry and Physics, 2011, 126(1-2):