Transactions of Materials and Heat Treatment

Title：Research on mechanical properties for internal and external toothed parts based on multi-process spinning

Authors： Yuan Yunpeng Xia Qinxiang Xiao Gangfeng Zhao Jie

Unit： South China University of Technology

KeyWords： SPHC hot-rolled steel plate internal and external toothed parts spinning process mechanical parameters strain hardening function

ClassificationCode：TG142.1

year,vol(issue):pagenumber：2022,47(10):257-264

Abstract：

The anisotropy of SPHC hot rolled steel plate was investigated by unidirectional tensile test and hardness test, and the related mechanical properties of SPHC hot rolled steel plate were obtained. Then, the mechanical property parameters of each process part were quantified, and the strain hardening function of SPHC material was fitted. The results show that the anisotropy of SPHC material is not obvious, the yield strength is 251 MPa, the tensile strength is 371 MPa, the yield strength ratio is 0.68, the elongation is 44%, and the hardening index is 0.19. From the original blank to the internal and external toothed parts, the spinning process increases the tensile strength of the material from 371 MPa to 485.5 MPa, an increase of 31%, and the yield strength is increased by 89% from 251 MPa to 475 MPa, the yield strength ratio is increased from 0.68 to 0.95, the Vickers hardness is increased from 136 HV to 188-216 HV, and the hardening index is decreased from 0.19 to 0.028. Finally, through the fitting and comparison of the strain hardening functions of Swift, Voce and Swift+Voce, the strain hardening function of SPHC material is obtained.

Funds：

国家自然科学基金资助项目（52175316）

袁云鹏（1997-），男，硕士研究生，E-mail：18839773905@163.com；通信作者：夏琴香（1964-），女，博士，教授，E-mail：meqxxia@scut.edu.cn

Reference：

[1]伍来智.低碳结构钢热塑性成形过程的组织细化研究[D].上海：上海交通大学,2010.

Wu L Z. Research on Microstructure Refinement for Hot Forming Process of Low Carbon Structural Steel [D]. Shanghai: Shanghai Jiao Tong University,2010.

[2]李振兴.低碳低硅钢连铸过程的非金属夹杂物研究[J]. 南方金属,2002,(2): 14-17.

Li Z X. A study of the nonmetal inclusions in continuous cast low-carbon, low-silicon steel [J]. Southern Metals,2002, (2): 14-17.

[3]余林峰,徐晓,夏琴香,等.薄壁内外齿形件旋压成形机理[J].锻压技术,2021,46(5):86-93.

Yu L F, Xu X, Xia Q X, et al. Spinning mechanism of thin-walled internal and external toothed parts[J]. Forging & Stamping Technology,2021,46(5):86-93.

[4]夏琴香. 特种旋压成形技术[M]. 北京:科学出版社, 2017.

Xia Q X. Special Spinning Technology[M]. Beijing: Science Press, 2017.

[5]田亚强,田飞,宋进英,等.微量残留元素Cr、Ni、Cu对SPHC热轧带钢组织性能影响[J].钢铁钒钛, 2014, 35(6): 102-107.

Tian Y Q, Tian F, Song J Y, et al. Influences of residual elements Cr, Ni and Cu on microstructure and properties of SPHC strip[J]. Iron Steel Vanadium Titanium, 2014, 35(6):102-107.

[6]刘立辉,李磊,魏峥.热轧温度对SPHC钢热轧卷板力学性能的影响[J].河北冶金,2015,(8):33-35.

Liu L H, Li L, Wei Z. Influence of hot rolling temperature on mechanical properties of hot rolling coil sheet of SPHC steel[J].Hebei Metallurgy, 2015,(8):33-35.

[7]陈燕,王德厚,李庆.优化SPHC钢种冷轧基板力学性能的生产实践[J].山东冶金,2016,38(5):3-4.

Chen Y, Wang D H, Li Q. Production practice of optimizing the mechanical properties of SPHC sheet steel for cold rolling[J]. Shangdong Metallrgy, 2016, 38(5): 3-4.

[8]Q/BQB 302—2018, 冷成型用热连轧钢板及钢带[S].

Q/BQB 302—2018, Continuously hot-rolled steel sheet and strip for cold forming[S].

[9]余林峰.基于响应面的内外齿形件旋压成形参数敏感性研究[D]. 广州：华南理工大学,2021.

Yu L F. Research on Sensitivity of Spinning Forming Parameters of Internal and External Toothed Parts Based on Response Surface [D]. Guangzhou: South China University of Technology, 2021.

[10]杨前超.侧壁带内外齿形离合器毂件旋压成形工艺研究[D]. 广州：华南理工大学,2020.

Yang Q C. A Research on Spinning Process for the Side Wall with Inner and Outer Toothed Clutch Hub[D]. Guangzhou: South China University of Technology,2020.

[11]GB/T 228.1—2021, 金属材料拉伸试验第1部分:室温试验方法[S].

GB/T 228.1—2021, Metallic materials—Tensile testing—Part 1:Method of test at room temperature[S].

[12]Marciniak Z, Duncan J L. The Mechanics of Sheet Metal Forming[M]. Sevenoaks, Kent: Edward Arnold, 1992.

[13]白晓虹.数字图像相关（DIC）测量方法在材料变形研究中的应用[D].沈阳:东北大学,2011.

Bai X H. Application of Digital Image Correlation Method in Study of Material Deformation[D]. Shenyang: Northeastern University,2011.

[14]王帅,薛河,杨富强,等.利用硬度试验获取冷加工后316L不锈钢力学性能[J].西安科技大学学报,2021,41(2): 340-347.

Wang S, Xue H, Yang F Q, et al. Determination of the mechanical parameters of 316L austenitic stainless steel after cold working by using hardness test[J]. Journal of Xi′an University of Science and Technology, 2021,41(2): 340-347.

[15]苏洪英,吕丹,李阳,等.应变硬化指数(n值)公式的探讨[J].理化检验：物理分册,2006,(12):621-623,620.

Su H Y, Lyu D, Li Y, et al. The discussion on the formula of strain harding exponent (n values) [J]. Physical Testing and Chemical Analysis Part A: Physical Testing, 2006, (12): 621-623,620.

[16]Blaber J A, Adair B, Antoniou A, et al. Ncorr: Open-source 2D digital image correlation Matlab software[J]. Experimental Mechanics, 2015, 55(6): 1106.

[17]杨宏亮. 加工硬化对316L不锈钢环境致裂扩展驱动力影响的研究[D].西安: 西安科技大学,2020.

Yang H L. Effect of Work Hardening on Driving Force of Environmentally Assisted Cracking of 316L SS[D]. Xi′an: Xi′an University of Science and Technology,2020.

[18]邱晓刚,张晓华,唐静,等.影响冷轧薄板力学性能测试结果的试验研究[J].理化检验:物理分册,2003,(7):333-337.

Qiu X G, Zhang X H, Tang J, et al. Study on the tests which affect results of mechanical property of cold rolled sheet[J]. Physical Testing and Chemical Analysis Part A: Physical Testing,2003,(7):333-337.

[19]韩淑敏,刘刚,白常厚.管材试样的长短对延伸率的影响[J].有色金属加工,2008,37(2):36-38.

Han S M, Liu G, Bai C H. Relationship between length of tube specimen and tested elongation[J]. Nonferrous Metals Processing,2008,37(2):36-38.

[20]李宏烨,庄新村,赵震.材料常用流动应力模型研究[J].模具技术,2009,(5): 1-4,48.

Li H Y, Zhuang X C,Zhao Z. Research on material flow stress models in common use [J]. Die and Mould Technology, 2009, (5): 1-4,48.

Service：

【This site has not yet opened Download Service】【Add Favorite】