含钒建筑螺纹钢HRB335力学和耐磨损性能研究

毕莹莹; 祈勇

doi:10.7513/j.issn.1004-7638.2021.02.013

含钒建筑螺纹钢HRB335力学和耐磨损性能研究

doi: 10.7513/j.issn.1004-7638.2021.02.013

毕莹莹^1,,
祈勇²

1.
山东工业职业学院，山东淄博256414
2.
成都理工大学材料与化学化工学院，四川成都 610059

基金项目: 山东省自然科学基金资助项目(Y2008CB49)

详细信息

作者简介:
毕莹莹(1983—)，女，黑龙江东宁人，汉族，教研室主任，讲师，研究方向：建筑构造与建筑结构。E-mail：duanba014117345@163.com。

中图分类号: TF76, TF841.3
计量
- 文章访问数: 274
- HTML全文浏览量: 151
- PDF下载量: 26
- 被引次数: 0
出版历程
- 收稿日期: 2020-03-17
- 刊出日期: 2021-04-10

Study on the properties of vanadium bearing building screw steel

Bi Yingying^1
,,
Qi Yong²

1.
Shandong Vocational College of Industry, Zibo 256414, Shandong, China
2.
College of Materials and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, Sichuan, China

摘要

摘要: 进行了含钒建筑螺纹钢HRB335试样的制备，并对试样进行了显微组织、力学性能和耐磨损性能的测试、比较和分析。结果表明：随钒含量增加，试样力学性能和耐磨损性能均先提高后下降；试样内部组织细化、珠光体层片间距减小，但钒含量增至0.05%时珠光体层片出现不平直现象。与未添加钒相比，添加0.04%钒时试样的抗拉强度、屈服强度分别增大4.8%、3.9%，磨损体积减小28.95%，试样力学性能和耐磨损性能显著提高。含钒HRB335建筑螺纹钢试样的钒含量优选为0.04%。
- 建筑螺纹钢 /
- 钒 /
- 显微组织 /
- 力学性能 /
- 耐磨损性能
Abstract: In this paper, the samples of HRB335 screw steel containing vanadium were prepared, and the microstructure, mechanical properties and wear resistance of the samples were tested, compared and discussed. The results show that with the increase of vanadium content, the mechanical properties and wear resistance of the samples increase first and then decrease, and the internal structure of the samples is refined and the pearlite lamellae spacing decreases, while the pearlite lamellae are not straight at the vanadium content of 0.05%. Compared with the samples without vanadium, the tensile strength and yield strength of the sample with 0.04% vanadium respectively increase by 4.8% and 3.9%, with the wear volume decreased by 28.95%. The optimal content of vanadium in the steel sample is at 0.04%.
- construction screw steel /
- vanadium /
- microstructure /
- mechanical properties /
- wear resistance

HTML全文

图 1 试样的力学性能

Figure 1. Mechanical properties of the specimens

下载: 全尺寸图片幻灯片

图 2 试样的拉伸断口SEM形貌

Figure 2. SEM morphology of tensile fracture of the specimens

下载: 全尺寸图片幻灯片

图 3 试样的耐磨损性能

Figure 3. Wear resistance of the specimens

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图 4 试样的表面磨损SEM形貌

Figure 4. SEM of surface of the specimens after wear

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图 5 试样的金相显微组织照片

Figure 5. Metallographic microstructure of the specimens

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图 6 试样珠光体组织SEM照片

Figure 6. SEM of pearlite structure of samples

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表 1 螺纹钢试样的化学成分

Table 1. Chemical compositions of rebar specimens %

试样	C	Si	Mn	P	S	V
试样1	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0
试样2	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0.01
试样3	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0.02
试样4	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0.03
试样5	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0.04
试样6	0.16～0.22	0.25～0.55	1.00～1.30	≤0.045	≤0.045	0.05

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