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化學(xué)成分影響NiMnGa基合金熱學(xué)及力-磁學(xué)性能研究進(jìn)展
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作者單位:

南昌航空大學(xué)

作者簡(jiǎn)介:

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中圖分類(lèi)號(hào):

TG146.1+5

基金項(xiàng)目:

國(guó)家自然科學(xué)基金（基金號(hào)：52001156），江西省科技廳資助項(xiàng)目（基金號(hào)：20192BAB216003）


Research progress of chemical composition dependence on the thermal and mechanical-magnetic properties of NiMnGa-based alloys
Author:
Affiliation:

Nanchang Hangkong university

Fund Project:

The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    鐵磁性記憶合金Ni-Mn-Ga具有可恢復(fù)應(yīng)變大、響應(yīng)速度快等優(yōu)點(diǎn)，有望成為一種智能驅(qū)動(dòng)與傳感材料。該合金的熱學(xué)特性、力-磁性能都對(duì)化學(xué)成分十分敏感。本文綜述了Ni-Mn-Ga基馬氏體結(jié)構(gòu)轉(zhuǎn)變溫度和力-磁性能對(duì)化學(xué)成分依賴(lài)性：明確了馬氏體類(lèi)型、相變溫度和居里溫度的變化規(guī)律；總結(jié)了磁晶各向異性能和飽和磁化強(qiáng)度的變化趨勢(shì)；探究了摻雜元素降低馬氏體孿生應(yīng)力內(nèi)在機(jī)理。最后對(duì)Ni-Mn-Ga合金成分設(shè)計(jì)中存在的問(wèn)題進(jìn)行了探討。

    Abstract:

    Ferromagnetic shape memory alloy Ni-Mn-Ga has large strain output and quick response, which would expect to be an intelligent material applied in actuator and sensor. It’s thermal, mechanical and magnetic properties are very sensitive to the chemical composition. The detail of composition dependence of these properties is reviewed in this paper. The changes of martensitic structure, martensitic transformation temperature and Curie temperature are clarified, the variation tendencies of the magnetocrystalline anisotropy energy and saturation magnetization are summarized, and the mechanism that doping elements reduce the twinning stress of martensite is revealed. Finally, the problems existing in the composition design of Ni-Mn-Ga alloy were discussed.

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引用本文

范建柳,歐陽(yáng)晟,艾云龍,朱嘉武.化學(xué)成分影響NiMnGa基合金熱學(xué)及力-磁學(xué)性能研究進(jìn)展[J].稀有金屬材料與工程,2021,50(11):4185~4192.[Fan Jianliu, Ouyang Sheng, Ai Yunlong, Zhu Jiawu. Research progress of chemical composition dependence on the thermal and mechanical-magnetic properties of NiMnGa-based alloys[J]. Rare Metal Materials and Engineering,2021,50(11):4185~4192.]
DOI：10.12442/j. issn.1002-185X.20200921

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  • 收稿日期:2020-11-28
  • 最后修改日期:2020-12-25
  • 錄用日期:2021-02-04
  • 在線發(fā)布日期: 2021-11-30
  • 出版日期: 2021-11-24