热处理条件下激光原位合成高铌Ti-Al金属间化合物复合涂层的微结构特征

刘洪喜; 李正学; 张晓伟; 郭新政; 王悦怡

doi:10.3788/OPE.20172506.1477

您当前的位置：

首页 >

文章列表页 >

热处理条件下激光原位合成高铌Ti-Al金属间化合物复合涂层的微结构特征

微纳技术与精密机械 | 更新时间：2020-07-07

- 热处理条件下激光原位合成高铌Ti-Al金属间化合物复合涂层的微结构特征
- Microstructure characteristics of laser in situ synthesis high Niobium Ti-Al intermetallic compound coating under heat treatment
- 光学精密工程 2017年25卷第6期页码：1477-1485
- 作者机构：
  
  昆明理工大学材料科学与工程学院, 云南昆明 650093
- 作者简介：
  
  刘洪喜(1972-), 男, 湖北黄冈人, 博士, 教授, 博士生导师, 2003年、2007年于哈尔滨工业大学分别获得硕士和博士学位, 主要从事离子束和激光束表面改性、功能涂层优化设计与制备、激光增材制造方面的研究。E-mail:piiiliuhx@sina.com LIU Hong-xi, E-mail: piiiliuhx@sina.com
  [ "李正学(1989-), 男, 云南曲靖人, 博士研究生, 2013年于西北工业大学获得学士学位, 2016年于昆明理工大学获得硕士学位, 主要从事激光束表面改性方面的研究。E-mail:2480283086@qq.com" ]
- 基金信息：
  
  国家自然科学基金资助项目(61368003);国家自然科学基金资助项目(11674134);云南省应用基础研究计划重点项目(2016FA020);云南省中青年学术技术带头人后备人才资助项目(2014HB007)
- DOI：10.3788/OPE.20172506.1477
  中图分类号： TN249;TB331
- 收稿日期：2017-01-20，
  
  录用日期：2017-2-25，
  
  纸质出版日期：2017-06-25
- 稿件说明：
移动端阅览
刘洪喜, 李正学, 张晓伟, 等. 热处理条件下激光原位合成高铌Ti-Al金属间化合物复合涂层的微结构特征[J]. 光学精密工程, 2017,25(6):1477-1485.

Hong-xi LIU, Zheng-xue LI, Xiao-wei ZHANG, et al. Microstructure characteristics of laser in situ synthesis high Niobium Ti-Al intermetallic compound coating under heat treatment[J]. Optics and precision engineering, 2017, 25(6): 1477-1485.
刘洪喜, 李正学, 张晓伟, 等. 热处理条件下激光原位合成高铌Ti-Al金属间化合物复合涂层的微结构特征[J]. 光学精密工程, 2017,25(6):1477-1485. DOI： 10.3788/OPE.20172506.1477.

Hong-xi LIU, Zheng-xue LI, Xiao-wei ZHANG, et al. Microstructure characteristics of laser in situ synthesis high Niobium Ti-Al intermetallic compound coating under heat treatment[J]. Optics and precision engineering, 2017, 25(6): 1477-1485. DOI： 10.3788/OPE.20172506.1477.

摘要

为了提高钛合金的高温抗氧化性能，推动钛合金在高温和复杂工况环境下的进一步工程应用，利用高能激光束作用下Ti、Al、Nb三种元素混合粉末之间的原位反应在BT3-1钛合金表面制备了高温抗氧化的高铌Ti-Al金属间化合物复合涂层。针对原位反应所制备涂层存在的缺陷，通过自行设计的热处理工艺优化了涂层和界面微观组织。借助光学显微镜（OM）、X射线衍射仪（XRD）、扫描电镜（SEM）分析了热处理前后复合涂层的物相结构及显微形貌。结果表明：热处理前的涂层主要由单质Nb、金属间化合物γ-TiAl、α

-Ti

Al、Ti

等物相组成；热处理后的复合涂层，单质Nb固溶到γ-TiAl和α

-Ti

Al中，同时形成了新相Ti

AlNb

0.3

，涂层近似为γ-TiAl+α

-Ti

Al双相层片状等轴晶组织。此外，涂层中并未观察到减弱抗氧化性的单质Nb颗粒和Ti

相，Ti、Al、Nb的宏观偏析得以消除，涂层与基材界面位置的气孔和裂纹均以消失，出现了明显的白亮带冶金结合过渡层，涂层组织也更加均匀致密。热处理对提高钛合金表面Nb的合金化程度和改善Ti-Al金属间化合物的高温抗氧化性能起到了显著的促进作用。

Abstract

In order to improve the high-temperature oxidation resistance and further promote the engineering application of titanium alloy in high temperature and complex service environment conditions

high niobium Ti-Al intermetallic compound oxidation resistance coatings were prepared on BT3-1 titanium alloy surface by laser in situ synthesis process. Microstructure of the composite coating and interface was optimized through a self-designed heat treatment process according to the defects in the coating. The phase structure and microstructure of the coating before and after heat treatment were analyzed by Optical Microscope (OM)

X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). The results show that the coating mainly consists of Nb

intermetallic γ-TiAl

-Ti

Al and Ti

phases before heat treatment. But after heat treatment

the Nb is dissolved in γ-TiAl and α

-Ti

and new phase Ti

AlNb

0.3

is observed in the coating. The microstructure of the coating is approximately γ-TiAl+α

-Ti

Al biphasic lamellar equiaxed grains structure. Moreover

the element Nb particle and Ti

phase which weaken inoxidizability are not observed in the coating. The macro segregation of Ti

Al and Nb is eliminated

and the pores or cracks at interface positions between the composite coating and substrate are disappeared. A distinct white band transition metallurgical bonding layer is generated

and the microstructure of the coating is more uniform and dense. Heat treatment plays an important role in improving the Nb alloying extent on titanium alloy surface and increasing the high temperature oxidation resistance of the Ti-Al intermetallic composite coating.

关键词

Keywords

references

YANG Z Y, ZHENG X H, CAI W. Martensitic transformation and shape memory effect of Ti-V-Al lightweight high-temperature shape memory alloys[J]. Scripta Materialia, 2015, 99: 97-100.

WENG F, CHEN C Z, YU H J. Research status of laser cladding on titanium and its alloys: A review[J]. Materials & Design, 2014, 58: 412-425.

CASTILLO-RODRÍ GUEZM, NÓML, JIMÉNEZ J A, et al.. High temperature internal friction in a Ti-46Al-1Mo-0.2Si intermetallic, comparison with creep behaviour[J]. Acta Materialia, 2016, 103: 46-56.

赵志伟, 王续跃, 于冬洋, 等.中间层法钛/钢层合板激光熔覆制备及性能[J].光学精密工程, 2016, 24(10): 12-19.

ZHAO ZH W, WANG X Y, YU D Y, et al.. Preparation and properties of titanium clad steel plate with interlayer in laser cladding[J]. Opt. Precision Eng., 2016, 24(10): 12-19. (in Chinese)

史吉鹏, 周彦彬, 刘黎明.钛合金厚板激光-电弧复合热源打底焊工艺[J].光学精密工程, 2016, 24(10): 280-286.

SHI J P, ZHOU Y B, LIU L M. Root welding process in laser-TIG hybrid welding of titanium alloy thick plate[J]. Opt. Precision Eng., 2016, 24(10): 280-286. (in Chinese)

SHI Z W, WEI H, ZHANG H Y, et al.. Investigation of a hot-pressed Nb-Ti-Al alloy: Mechanical alloying, microstructure and mechanical property[J]. Materials Science and Engineering: A, 2016, 651: 869-877.

刘洪喜, 陶喜德, 张晓伟, 等.机械振动辅助激光熔覆Fe-Cr-Si-B-C涂层的显微组织及界面分布形态[J].光学精密工程, 2015, 23(8): 2192-2202.

LIU H X, TAO X D, ZHANG X W, et al.. Microstructure and interface distribution of Fe-Cr-Si-B-C laser cladding alloy coatings assisted by mechanical vibration[J]. Opt. Precision Eng., 2015, 23(8): 2192-2202. (in Chinese)

CHEN L, YANG Y, WU M J, et al.. Correlation between arc evaporation of Ti-Al-N coatings and corresponding Ti 0.50 Al 0.50 target types[J]. Surface and Coatings Technology, 2015, 275: 309-315.

LIU H X, ZHANG X W, JIANG Y H, et al.. Microstructure and high temperature oxidation resistance of in-situ synthesized TiN/Ti 3 Al intermetallic composite coatings on Ti 6 Al 4 V alloy by laser cladding process[J]. Journal of Alloys and Compounds, 2016, 670:268-274.

TEPPERNEGG T, ANGERER P, KLVNSNER T, et al.. Evolution of residual stress in Ti-Al-Ta-N coatings on hard metal milling inserts[J]. International Journal of Refractory Metals and Hard Materials, 2015, 52: 171-175.

ABI-TANNOUS T, SOUEIDAN M, FERRO G, et al.. Parametric investigation of the formation of epitaxial Ti 3 SiC 2 on 4H-SiC from Al-Ti annealing[J]. Applied Surface Science, 2015, 347: 186-192.

SHI Z W, WEI H, ZHANG H Y, et al.. Nanotwinned Ti(O, C) induced by oriented attachment in a hot-pressed Nb-Ti-Al alloy[J]. Acta Materialia, 2016, 105: 114-120.

ZHANG D Q, WU J Y, LI B, et al.. Preparation of ceramic membranes on porous Ti-Al alloy supports by an in-situ oxidation method[J]. Journal of Membrane Science, 2015, 476: 554-560.

ZHANG Q, CHEN J, WANG L L, et al.. Solidification microstructure of laser additive manufactured Ti-6Al-2Zr-2Sn-3Mo-1.5Cr-2Nb titanium alloy[J]. Journal of Materials Science & Technology, 2016, 32(4): 381-386.

LI D K, CHEN J F, ZOU C W, et al.. Effects of Al concentrations on the microstructure and mechanical properties of Ti-Al-N films deposited by RF-ICPIS enhanced magnetron sputtering[J]. Journal of Alloys and Compounds, 2014, 609: 239-243.

FAROOQ M U, KHALID F A, ZAIGHAM H, et al.. Superelastic behaviour of Ti-Nb-Al ternary shape memory alloys for biomedical applications[J]. Materials Letters, 2014, 121: 58-61.

陈国良.金属间化合物结构材料研究现状与发展[J].材料导报, 2000, 14(9): 1-5.

CHEN G L. R&D status and prospect on the ordered structural intermetallics[J]. Materials Review, 2000, 14(9): 1-5. (in Chinese)

郑传林, 徐重, 贺志勇, 等. TiAl金属间化合物高温抗氧化研究进展[J].材料导报, 2002, 16(11): 14-16.

ZHENG CH L, XU ZH, HE ZH Y, et al.. Progress in research on high temperature oxidation resistance of TiAl intermetallics[J]. Materials Review, 2002, 16(11): 14-16. (in Chinese)

丁晓非. Ti-Al-Nb三元系中的合金组织对性能的影响[D]. 大连: 大连理工大学, 2014.

DING X F. Effect of Microstructures on Mechanical Properties for Ti-Al-Nb Ternary Alloys[D]. Dalian: Dalian University of Technology, 2014. (in Chinese)

DIMIDUK D M. Gamma titanium aluminide alloys—an assessment within the competition of aerospace structural materials[J]. Materials Science and Engineering: A, 1999, 263(2): 281-288.

JIANG H R, HIROHASI M, LU Y, et al.. Effect of Nb on the high temperature oxidation of Ti-(0-50 at.%)Al[J]. Scripta Materialia, 2002, 46(9): 639-643.

KOO C H, YU T H. Pack cementation coatings on Ti 3 Al-Nb alloys to modify the high-temperature oxidation properties[J]. Surface and Coatings Technology, 2000, 126(2-3): 171-180.

KENEL C, LEINENBACH C. Influence of Nb and Mo on microstructure formation of rapidly solidified ternary Ti-Al-(Nb, Mo) alloys[J]. Intermetallics, 2016, 69: 82-89.

BAI R, ZHENG X, LI Z K, et al.. Precipitation strengthening mechanism of Nb-Ti-Al alloys[J]. Procedia Engineering, 2012, 27: 1241-1247.

马丁. 基于Thermo-Calc的Ti-Al-X三元合金相图热力学计算[D]. 哈尔滨: 哈尔滨工业大学, 2007.

MA D. Thermodynamic Calculation of Ti-Al-X Phase Diagrams Based on Thermo-Calc Software[D]. Harbin: Harbin Institute of Technology, 2007. (in Chinese)

浏览量

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

激光熔覆原位自生Ti-Al-Si复合涂层的微观组织和高温抗氧化性能

纳米Fe-Al/Cr3C2复合涂层的抗电化学腐蚀性能

纳米Fe-Al/Cr₃C₂复合涂层的抗电化学腐蚀性能

选区激光熔化成形W-Ni-Cu的成形工艺及热物理性能

纳米Fe-Al/Cr₃C₂复合涂层及其抗高温腐蚀性能