文章信息/Info

Title:

Research Process on Interface Modification and Strengthening Mechanism of Nanocomposites

文章編號:

1674-3962(2020)09-0642-11

作者:

鞠渤宇; 楊文澍; 武高輝

（哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院，黑龍江 哈爾濱 150090）

Author(s):

JU Boyu;  YANG Wenshu;  WU Gaohui

(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150090, China)

關(guān)鍵詞:

納米復(fù)合材料; 界面; 微觀結(jié)構(gòu); 強化機制; 結(jié)構(gòu)設(shè)計; 界面交互作用

Keywords:

nanocomposite;  interface;  microstructure;  strengthening mechanism;  structure design;  interfacial interaction

分類號:

TB331

DOI:

10.7502/j.issn.1674-3962.202006012

文獻標志碼:

A

摘要:

納米復(fù)合材料受小尺寸效應(yīng)、量子效應(yīng)和表界面效應(yīng)的影響，體現(xiàn)出與傳統(tǒng)材料截然不同的理化性質(zhì)。納米復(fù)合材料中的界面具有表界面含量高、自由能大和反應(yīng)活性強的特點，因此其對材料服役、失效和斷裂的影響更為顯著。為了實現(xiàn)對納米復(fù)合材料性能的精確控制，界面結(jié)構(gòu)設(shè)計成為研究的重點。納米復(fù)合材料界面主要分為物理結(jié)合界面、反應(yīng)型結(jié)合界面以及過渡層結(jié)合界面。詳細總結(jié)了納米復(fù)合材料常見制備方法與界面結(jié)構(gòu)特征，并從微結(jié)構(gòu)交互作用、析出交互作用和載荷傳遞作用3個方面對界面交互作用進行了深入討論；進一步結(jié)合界面結(jié)構(gòu)特征，對納米復(fù)合材料的強化機制和斷裂行為進行了系統(tǒng)的總結(jié)與分析，并在此基礎(chǔ)上對其未來發(fā)展進行展望。

Abstract:

Nanocomposites exhibit very different physical�瞔hemical properties from traditional materials because of small size effects, quantum effects, and surface interface effects. In nanocomposites, the interface has the characteristics of high surface interface content, large free energy, and strong reactivity. Therefore, the interface has more significant impact on the service, failure and fracture of the material. In order to achieve precise control of the properties of nanocomposites, interfacial structure design has become the focus of research. Nanocomposite interfaces, including physical bonding interfaces, reactive bonding interfaces, and transition layer bonding interfaces, have been extensively studied. The preparation methods and interfacial structure characteristics of nanocomposites are summarized in this paper, and the interfacial interaction is discussed in depth from three aspects of microstructure interaction, precipitation interaction and load transfer. Based on the structure features of interface, the strengthening mechanism and fracture behavior of nanocomposites are comprehensively summarized and analyzed. What�餾 more, the future development of nanocomposites is also forecasted.