J. Mater. Sci. Technol. ›› 2018, Vol. 34 ›› Issue (8): 1397-1404.DOI: 10.1016/j.jmst.2017.03.006
Special Issue: High Strength Alloys-2018; Composites 2018
• Orginal Article • Previous Articles Next Articles
Junho Leea, Dongju Leec, Myung Hoon Songd, Wonhyuk Rheed, Ho Jin Ryuab(), Soon Hyung Honga()
Received:
2016-12-06
Revised:
2017-01-14
Accepted:
2017-02-28
Online:
2018-08-17
Published:
2018-08-22
Junho Lee, Dongju Lee, Myung Hoon Song, Wonhyuk Rhee, Ho Jin Ryu, Soon Hyung Hong. In-situ synthesis of TiC/Fe alloy composites with high strength and hardness by reactive sintering[J]. J. Mater. Sci. Technol., 2018, 34(8): 1397-1404.
C | Si | Mn | P | S | Ni | Cr | Mo | Cu | V | Fe |
---|---|---|---|---|---|---|---|---|---|---|
1.57 | 0.35 | 0.44 | 0.013 | 0.006 | 0.08 | 11.98 | 1.00 | 0.02 | 0.35 | Bal. |
Table 1 Composition of Fe alloy powder.
C | Si | Mn | P | S | Ni | Cr | Mo | Cu | V | Fe |
---|---|---|---|---|---|---|---|---|---|---|
1.57 | 0.35 | 0.44 | 0.013 | 0.006 | 0.08 | 11.98 | 1.00 | 0.02 | 0.35 | Bal. |
Fig. 3. Differential scanning calorimetry (DSC) curves of composite powders for the in-situ titanium carbide (TiC)/Fe alloy composites with different C/Ti ratios.
C/Ti = 0.8 | C/Ti = 0.9 | C/Ti = 1 | C/Ti = 1.1 | |
---|---|---|---|---|
Solidus ( °C) | 1243 | 1241 | 1232 | 1222 |
Liquidus ( °C) | 1392 | 1349 | 1324 | 1304 |
Table 2 Melting temperature of composite powders with different C/Ti ratios.
C/Ti = 0.8 | C/Ti = 0.9 | C/Ti = 1 | C/Ti = 1.1 | |
---|---|---|---|---|
Solidus ( °C) | 1243 | 1241 | 1232 | 1222 |
Liquidus ( °C) | 1392 | 1349 | 1324 | 1304 |
Fig. 4. (a) X-ray diffraction (XRD) patterns of the in-situ TiC/Fe alloy composite samples, (b) carbon content in the matrix measured using an electron probe micro-analyzer (EPMA) and (c) magnified TiC peaks from (a) between 2θ = 60°-61° with different C/Ti ratios.
C/Ti = 0.8 | C/Ti = 0.9 | C/Ti = 1 | C/Ti = 1.1 | |
---|---|---|---|---|
Iaus/(IFe + ITiC + Iaus) | 0.07 | 0.15 | 0.22 | 0.27 |
Table 3 Intensity ratio of retained austenite to Fe and TiC phases in XRD patterns.
C/Ti = 0.8 | C/Ti = 0.9 | C/Ti = 1 | C/Ti = 1.1 | |
---|---|---|---|---|
Iaus/(IFe + ITiC + Iaus) | 0.07 | 0.15 | 0.22 | 0.27 |
Fig. 5. Microstructure and size distribution of TiC particles in the in-situ TiC/Fe alloy composites with different C/Ti ratios (a, c) C/Ti = 1.1 (b, d) C/Ti = 1 (e, g) C/Ti = 0.9 and (f, h) C/Ti = 0.8 with higher magnification images included as insets.
Fig. 6. TEM micrographs of the in-situ TiC/Fe alloy composite with C/Ti = 0.9. (a) Low magnification, (b) HRTEM image of interface (dotted line in (a)) between the in-situ TiC and Fe alloy, (c) FFT images of the in-situ TiC region and (d) Fe alloy region. (e) HAADF-STEM image of full line in (a) and (f-h) Energy dispersive spectroscopy (EDS) mapping showing the in-situ TiC and Fe alloy regions.
Fig. 7. (a) Hardness and (b) flexural strength-strain curves obtained by bending test of the in-situ TiC/Fe alloy composites with different C/Ti ratios and unreinforced Fe alloy.
Hardness (HRc) | Flexural strength (MPa) | Flexural strain (%) | |
---|---|---|---|
C/Ti = 1.1 | 66.8 ± 0.6 | 1219 ± 53 | 1.99 ± 0.06 |
C/Ti = 1 | 67.0 ± 0.6 | 1247 ± 35 | 2.05 ± 0.03 |
C/Ti = 0.9 | 67.4 ± 0.3 | 1394 ± 65 | 2.30 ± 0.14 |
C/Ti = 0/8 | 63.7 ± 0.3 | 1548 ± 140 | 2.68 ± 0.04 |
Unreinforced Fe alloy | 60.7 ± 0.3 | 1360 ± 40 | 2.33 ± 0.2 |
Table 4 Mechanical properties of in-situ TiC/Fe alloy composites depending on C/Ti ratio.
Hardness (HRc) | Flexural strength (MPa) | Flexural strain (%) | |
---|---|---|---|
C/Ti = 1.1 | 66.8 ± 0.6 | 1219 ± 53 | 1.99 ± 0.06 |
C/Ti = 1 | 67.0 ± 0.6 | 1247 ± 35 | 2.05 ± 0.03 |
C/Ti = 0.9 | 67.4 ± 0.3 | 1394 ± 65 | 2.30 ± 0.14 |
C/Ti = 0/8 | 63.7 ± 0.3 | 1548 ± 140 | 2.68 ± 0.04 |
Unreinforced Fe alloy | 60.7 ± 0.3 | 1360 ± 40 | 2.33 ± 0.2 |
Fig. 8. Fracture surfaces of the in-situ TiC/Fe alloy composites with various C/Ti ratios: (a) C/Ti = 1.1, (b) C/Ti = 1, (c) C/Ti = 0.9 and (d) C/Ti = 0.8 after three-point bending tests.
|
[1] | Xiaoxiao Li, Meiqiong Ou, Min Wang, Long Zhang, Yingche Ma, Kui Liu. Effect of boron addition on the microstructure and mechanical properties of K4750 nickel-based superalloy [J]. J. Mater. Sci. Technol., 2021, 60(0): 177-185. |
[2] | Hui Jiang, Dongxu Qiao, Wenna Jiao, Kaiming Han, Yiping Lu, Peter K. Liaw. Tensile deformation behavior and mechanical properties of a bulk cast Al0.9CoFeNi2 eutectic high-entropy alloy [J]. J. Mater. Sci. Technol., 2021, 61(0): 119-124. |
[3] | Qin Xu, Dezhi Chen, Chongyang Tan, Xiaoqin Bi, Qi Wang, Hongzhi Cui, Shuyan Zhang, Ruirun Chen. NbMoTiVSix refractory high entropy alloys strengthened by forming BCC phase and silicide eutectic structure [J]. J. Mater. Sci. Technol., 2021, 60(0): 1-7. |
[4] | Weiwei Xiao, Na Ni, Xiaohui Fan, Xiaofeng Zhao, Yingzheng Liu, Ping Xiao. Ambient flash sintering of reduced graphene oxide/zirconia composites: Role of reduced graphene oxide [J]. J. Mater. Sci. Technol., 2021, 60(0): 70-76. |
[5] | Lin Yuan, Jiangtao Xiong, Yajie Du, Jin Ren, Junmiao Shi, Jinglong Li. Microstructure and mechanical properties in the TLP joint of FeCoNiTiAl and Inconel 718 alloys using BNi2 filler [J]. J. Mater. Sci. Technol., 2021, 61(0): 176-185. |
[6] | H.F. Li, Z.Z. Shi, L.N. Wang. Opportunities and challenges of biodegradable Zn-based alloys [J]. J. Mater. Sci. Technol., 2020, 46(0): 136-138. |
[7] | Xingchen Xu, Daoxin Liu, Xiaohua Zhang, Chengsong Liu, Dan Liu. Mechanical and corrosion fatigue behaviors of gradient structured 7B50-T7751 aluminum alloy processed via ultrasonic surface rolling [J]. J. Mater. Sci. Technol., 2020, 40(0): 88-98. |
[8] | Wanjun Yu, Yongting Zheng, Yongdong Yu. Precipitation mechanism and microstructural evolution of Al2O3/ZrO2(CeO2) solid solution powders consolidated by spark plasma sintering [J]. J. Mater. Sci. Technol., 2020, 41(0): 149-158. |
[9] | Qian Yan, Bo Song, Yusheng Shi. Comparative study of performance comparison of AlSi10Mg alloy prepared by selective laser melting and casting [J]. J. Mater. Sci. Technol., 2020, 41(0): 199-208. |
[10] | Ran Wei, Kaisheng Zhang, Liangbin Chen, Zhenhua Han, Tan Wang, Chen Chen, Jianzhong Jiang, Tingwei Hu, Fushan Li. Novel Co-free high performance TRIP and TWIP medium-entropy alloys at cryogenic temperatures [J]. J. Mater. Sci. Technol., 2020, 57(0): 153-158. |
[11] | Ji Zou, Hai-Bin Ma, Jing-Jing Liu, Wei-Min Wang, Guo-Jun Zhang, Zheng-Yi Fu. Nanoceramic composites with duplex microstructure break the strength-toughness tradeoff [J]. J. Mater. Sci. Technol., 2020, 58(0): 1-9. |
[12] | Qingzheng Jiang, Jie Song, Qingfang Huang, Sajjad Ur Rehman, Lunke He, Qingwen Zeng, Zhenchen Zhong. Enhanced magnetic properties and improved corrosion performance of nanocrystalline Pr-Nd-Y-Fe-B spark plasma sintered magnets [J]. J. Mater. Sci. Technol., 2020, 58(0): 138-144. |
[13] | Kai Liu, Shengcan Ma, Yuxi Zhang, Hai Zeng, Guang Yu, Xiaohua Luo, Changcai Chen, Sajjad Ur Rehman, Yongfeng Hu, Zhenchen Zhong. Magnetic-field-driven reverse martensitic transformation with multiple magneto-responsive effects by manipulating magnetic ordering in Fe-doped Co-V-Ga Heusler alloys [J]. J. Mater. Sci. Technol., 2020, 58(0): 145-154. |
[14] | Weiyi Wang, Qinglin Pan, Geng Lin, Xiaoping Wang, Yuqiao Sun, Xiangdong Wang, Ji Ye, Yuanwei Sun, Yi Yu, Fuqing Jiang, Jun Li, Yaru Liu. Microstructure and properties of novel Al-Ce-Sc, Al-Ce-Y, Al-Ce-Zr and Al-Ce-Sc-Y alloy conductors processed by die casting, hot extrusion and cold drawing [J]. J. Mater. Sci. Technol., 2020, 58(0): 155-170. |
[15] | Xinyu Ren, Wei Liu, Haishui Ren, Yongjuan Jing, Wei Mao, Huaping Xiong. Microstructures and joining characteristics of NbSS/Nb5Si3 composite joints by newly-developed Ti66-Ni22-Nb12 filler alloy [J]. J. Mater. Sci. Technol., 2020, 58(0): 95-99. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||