Transactions of Materials and Heat Treatment

Title：Influence of forging temperature on performance of a new type

Authors： Wang Hongguang

Unit： Liuzhou Railway Vocational Technical College

KeyWords： niobium-containing titanium alloy forging initial forging temperature final forging temperature mechanical property

ClassificationCode：TG146.2

year,vol(issue):pagenumber：2018,43(8):13-16

Abstract：

Forging experiments of a new niobium-containing titanium alloy bar used in car were conducted at different initial forging temperatures and final forging temperatures, and the mechanical properties were tested and analyzed. The results show that with the initial forging temperature increasing from 970 ℃ to 1090 ℃ and the final forging temperature increasing from 900 ℃ to 980 ℃, the tensile strength and yield strength of the new type niobium-titanium alloy bar used in car first increase and then decrease, the elongation after fracture changes slightly, so the mechanical properties first increase and then decrease. Compared with the initial forging temperature of 970 ℃, the tensile strength and yield strength of the new type of niobium-containing titanium alloy bar increase by 121 and 127 MPa respectively, and the elongation after fracture decreases by 1.6%. However, compared with the final forging temperature of 900 ℃, the tensile strength and yield strength of the new type of niobium-containing titanium alloy bar increase by 100 and 143 MPa respectively, and the elongation after fracture decreases by 1.4%. Finally, the optimum forging process parameters of the new type of niobium-containing titanium bar are initial forging temperature of 1030 ℃ and final forging temperature of 960 ℃.

Funds：

广西高校中青年教师基础能力提升项目:桂教科研［2016］3号(KY2016YB76)

王洪广（1980-），男，硕士，副教授 E-mail：26784839@qq.com

Reference：

［1］付明杰, 张涛, 韩秀全,等.TNW700高温钛合金板材超塑变形行为研究
［J］.稀有金属，2016,40（1）：1-7.

Fu M J, Zhang T, Han X Q,et al.Superplastic deformation behavior of TNW700 titanium alloy sheet
［J］.Chinese Journal of Rare Metal，2016,40（1）：1-7.

［2］张方，王林岐，赵松. 航空钛合金锻造技术的研究进展
［J］. 锻压技术，2017，42（6）：1-6.

Zhang F，Wang L Q，Zhao S. Research development on forging technology for aviation titanium alloys
［J］. Forging & Stamping Technology，2017，42（6）：1-6.

［3］张明杰，黄利军，李恒正，等. 基于有限元仿真的钛合金翼形件锻造过程
［J］.锻压技术，2016，41（11）：32-37.

Zhang M J，Huang L J，Li He Z，et al. Forging process of titanium alloy winglike part based on FEM simulation method
［J］.Forging & Stamping Technology，2016，41（11）：32-37.

［4］刘章光，李建辉，李培杰，等.Ti-55钛合金板材的超塑性变形及组织演变
［J］.稀有金属，2017,41（12）：1285-1292.

Liu Z G, Li J Hi, Li P J，et al.Superplastic deformation and microstructure evolution of Ti-55 alloy sheet
［J］.Chinese Journal of Rare Metal，2017,41（12）：1285-1292.

［5］朱红, 廖鸿.锻造温度对TC11钛合金组织和性能的影响
［J］.热加工工艺,2013,42(13):128-130.

Zhu H, Liao H. Effect of forging temperature on microstructure and mechanical properties of TC11 titanium alloy
［J］. Hot Working Technology, 2013,42(13):128-130.

［6］谢红筝, 徐广胜,王晓亮,等.锻造温度对Ti6246合金饼坯组织和力学性能的影响
［J］.钛工业进展,2017,34(1):22-25.

Xie H Z, Xu G S, Wang X L, et al. Study of microstructure and mechanical properties of Ti6246 pancake influenced by forging temperature
［J］. Titanium Industry Progress, 2017,34(1):22-25.

［7］李晓芹, 朱西平.TC4钛合金汽轮机叶片精锻工艺研究
［J］.航空制造技术,2001,(2):53-54,60.

Li X Q, Zhu X P. Research on die forging technology for Ti alloy TC4 steam turbine blade
［J］. Aeronautical Manufacturing Technology, 2001,(2):53-54,60.

［8］史小云,张晓园,毛友川,等.锻造温度对TC21钛合金锻板组织和力学性能的影响
［J］.锻压技术,2015,40(1):14-16,42.

Shi X Y, Zhang X Y, Mao Y C, et al. Influence of forging temperature on structure and mechanical property for TC21 titanium plate
［J］. Forging & Stamping Technology, 2015,40(1):14-16,42.

［9］刘金城,高勃,刘秋月,等.高铌钛合金铸流率的探讨
［J］.口腔材料器械杂志,2008,17(2):61-63.

Liu J C,Gao B,Liu Q Y,et al. Study on the castability of high niobium content Ti alloy
［J］. Chinese Journal of Dental Materials and Devices,2008,17(2):61-63.

［10］唐继芳,刘靖.不同加工工艺下铌钛合金导电性能
［J］.塑性工程学报,2015,22(4):151-153.

Tang J F,Liu J. Study on conductivity of niobium-titanium alloy under different forming processes
［J］. Journal of Plasticity Engineering,2015,22(4):151-153.

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