Fang‐Qiu Zu

Hefei University of Technology

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Zhongyue Huang

Fudan University

Xiao Cui

Nanchang Hangkong University

Yuanxing Li

Hefei University of Technology

Yuan Yu

Sichuan Cancer Hospital

Yun Xi

Sun Yat-sen University

Bin Zhu

Nanjing University of Science and Technology

Xiaoyun Li

Zhengzhou University

Guo‐Hua Ding

Lishui University

Jin Yu

Southeast University

Xiaoyu Wang

Hainan University

Cooperative Institutions

Hefei University of Technology

108

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Huazhong University of Science and Technology

University of Science and Technology of China

Taishan University

University of Science and Technology Beijing

Sichuan University

Institute of Solid State Physics

Northwestern Polytechnical University

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Observation of an Anomalous Discontinuous Liquid-Structure Change with Temperature

Physical Review Letters (2002)

Fang‐Qiu Zu Zhen‐Gang Zhu Lijun Guo Xubo Qin Hua Yang

The nature of liquid structures with their changing behaviors remains an unsolved fundamental problem in many fields of science and technology. It has been widely accepted that liquid structures change gradually with temperature and/or pressure. With x-ray diffraction in the melt In-Sn80, however, we have confirmed that a temperature-dependent discontinuous structural change could occur in some binary liquids, which does not fall into any other up-to-date recognized liquid-liquid changes. This finding, together with the recently recognized pressure-induced liquid change, suggests that the conventional view on liquids should be revised.

Liquid liquid

10.1103/physrevlett.89.125505

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Citations (159)

Electrical resistivity of liquid Bi–Sb alloys

Phase Transitions (2006)

Fang‐Qiu Zu Yuanxing Li Hou-Fu Ding Guo‐Hua Ding

The electrical resistivities of liquid Bi–Sb alloys have been measured by DC four-probe method within Bi-rich composition through a wide temperature range. The distinct anomaly of a hump shape was observed on resistivity–temperature (ρndash;T) curves for liquid Bi–Sb alloys on heating at the relatively high temperatures. These anomalies have revealed the temperature-induced liquid–liquid phase transition in Bi–Sb melts. The DSC results for BiSb20wt% alloy further prove the existence of liquid–liquid transition. Measuring the ρ–T curves first on heating and then on cooling we have found that on cooling the ρ–T curve remained linear. It means that the postulated liquid–liquid transition may be irreversible.

Liquid liquid

Cooling curve

Anomaly (physics)

Liquid phase

Atmospheric temperature range

10.1080/01411590600703137

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Citations (20)

Distinctive Slow β Relaxation and Its Impact on Mechanical Property of LaCe Based Bulk Metallic Glasses

Metals and Materials International (2019)

Xiao Cui Jing Guo Qidong Zhang Xiao-jun Meng Bingchuan Bian

10.1007/s12540-019-00407-y

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Citations (3)

Attempt to depict glass forming ability of bulk metallic glasses using the criterion of the total relaxation time at the glass transition

Journal of Non-Crystalline Solids (2006)

Jing Guo Fang‐Qiu Zu Zhihao Chen Yuanxing Li Yun Xi

Supercooling

10.1016/j.jnoncrysol.2006.06.035

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Citations (15)

lectrical resistivity of liquid lead-free solder Sn-0.7Cu-xBi alloys

Kovove Materialy-Metallic Materials (2010)

Fan Zhang LI X.Fang‐Qiu Zu Lei Liu HAN Y.

Liquid structure plays significant role in solid microstructure and mechanical properties during material processing.In this paper, the temperature dependence of electrical resistivities in liquid Sn-0.7Cu-xBialloys has been investigated with DC four-probe method.The results show that anomalous changes can be observed on resistivity-temperature curves at certain temperatures in two experimental cycles, which indicate the existence of liquid structural transitions in the melts at elevated temperature, and the transitions are reversible after first cycle heating.The content of Bi has a noticeable influence on the turning temperature and resistivity-temperature curve shape.The anomalous behaviour of the electrical resistivity--temperature curve is analysed from the viewpoint of short-range order.These results will help to enrich the phenomenology of liquid field, and provide some scientific reference to the innovation of lead-free solder manufacturing.K e y w o r d s : lead-free solder, electrical resistivity, liquid structural transition, Sn-Cu-Bi alloys

Lead (geology)

Fusible alloy

10.4149/km_2010_5_321

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Citations (1)

Torsional behaviors in Zr-based bulk metallic glass with high stored energy structure

Materials Science and Engineering A (2019)

Yu-Bai Ma Yan Jiang H. B. Ding Qidong Zhang Xiaoyun Li

Brittleness

10.1016/j.msea.2019.02.074

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Citations (6)

Study on temperature dependence of resistivity in liquid In–Sn alloy

Physica Scripta (2006)

Shen Rong-rong Fang‐Qiu Zu Qiang Li Yun Xi Yuanxing Li

The electrical resistivity of liquid In–Sn alloy was measured by a dc four-probe method. In a relatively low-temperature zone above liquidus, resistivity changes discontinuously; only the changing trend is altered, whereas resistivity changes sharply in the high-temperature zone and the changing pattern is completely different from the ones at low temperature. The unusual change of resistivity reflects the alteration of the mean free path L0 of conduction electrons and also the electron transport properties. Consequently, we assume that structural changes might occur in the continuous heating process. Transition temperatures are different for In–Sn melts with various compositions. The resistivity behaviour of eutectic composition is distinguished from others and its transition temperature is the lowest.

Liquidus

10.1088/0031-8949/73/2/010

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Citations (20)

Effects of liquid structure transition on solidification by the Newton thermal analysis method

Applied Physics A (2013)

Ming Yi Xie Xian Fen Li Gui Bao Xu Yu Zhou Fang‐Qiu Zu

Supercooling

Directional solidification

Cooling curve

Transition temperature

10.1007/s00339-012-7539-5

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Citations (3)

A new viewpoint to the mechanism for the effects of melt overheating on solidification of Pb-Bi alloys

Journal of materials research/Pratt's guide to venture capital sources (2009)

Fang‐Qiu Zu Jie Chen Yuanxing Li Li‐Na Mao Yong-Chi Liu

Overheating (electricity)

Supercooling

10.1557/jmr.2009.0294

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Citations (21)

Influence of temperature-induced liquid–liquid structure transition on directional solidification microstructure of Sn–Bi40wt-% alloy

Physics and Chemistry of Liquids (2010)

L.J. Liu M.Q. Liu Fang‐Qiu Zu Zhongyue Huang Chengming Hu

Prior investigation suggested that a temperature-induced liquid–liquid structure transition (TI-LLST) could occur in Sn–Bi40wt-% alloy around 879°C. Based on the results of TI-LLST, the Sn–Bi40wt-% alloys are melted and held at the temperature above and below TI-LLST, respectively, and then solidified from the same temperature. The aim of this work was to explore the influence of TI-LLST on directional solidification microstructure by using the Bridgman method. The results show that dendritic arm spacing decreases and the microstructure is refined markedly for the samples solidified from the melt which experienced the TI-LLST.

Directional solidification

Transition temperature

10.1080/00319100902839152

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Citations (1)