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[1]劉寶璽,鄭士建,林曾孟,等.多層金屬?gòu)?fù)合材料的應(yīng)變局部化延遲和抗斷裂失穩(wěn)機(jī)理[J].中國(guó)材料進(jìn)展,2024,43(01):035-45.[doi:10.7502/j.issn.1674-3962.202311010]
 LIU Baoxi,ZHENG Shijian,LIN Zengmeng,et al.Strain Delocalization and Fracture Stability of Multilayered Metallic Composites[J].MATERIALS CHINA,2024,43(01):035-45.[doi:10.7502/j.issn.1674-3962.202311010]
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多層金屬?gòu)?fù)合材料的應(yīng)變局部化延遲和抗斷裂失穩(wěn)機(jī)理()
分享到:

中國(guó)材料進(jìn)展[ISSN:1674-3962/CN:61-1473/TG]

卷:
43
期數(shù):
2024年第01期
頁(yè)碼:
035-45
欄目:
出版日期:
2024-01-25

文章信息/Info

Title:
Strain Delocalization and Fracture Stability of Multilayered Metallic Composites
文章編號(hào):
1674-3962(2024)01-0035-11
作者:
劉寶璽鄭士建林曾孟殷福星
1. 河北工業(yè)大學(xué)材料科學(xué)與工程學(xué)院 天津市材料層狀復(fù)合與界面控制重點(diǎn)實(shí)驗(yàn)室,天津 3001302. 廣東省科學(xué)院 新材料研究所,廣東 廣州 510651
Author(s):
LIU BaoxiZHENG ShijianLIN ZengmengYIN Fuxing
1.Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China2. Institute of New Materials, Guangdong Academy of Sciences, Guangzhou 510651, China
關(guān)鍵詞:
多層金屬?gòu)?fù)合材料應(yīng)變退局域化強(qiáng)韌化周期性頸縮隧道裂紋脫層斷裂
Keywords:
multilayered metallic composites strain delocalization strengtheningtoughening mechanism periodic necking tunnel crack delamination fracture
分類號(hào):
TB383
DOI:
10.7502/j.issn.1674-3962.202311010
文獻(xiàn)標(biāo)志碼:
A
摘要:
多層金屬?gòu)?fù)合材料在航天航空、汽車、船舶、核能電力領(lǐng)域中起著非常重要的作用。相比于傳統(tǒng)單一金屬,多層金屬?gòu)?fù)合材料具有超高的塑性變形能力和斷裂韌性。綜述了多層金屬?gòu)?fù)合材料在塑性變形過程中的應(yīng)變局域化延遲和抗斷裂失穩(wěn)的特征和機(jī)理,歸納出周期性頸縮、脫層斷裂、隧道裂紋、彌散剪切帶對(duì)抑制多層金屬?gòu)?fù)合材料塑性失穩(wěn)的作用機(jī)理,并闡明脫層斷裂、裂紋分叉、隧道裂紋對(duì)多層金屬?gòu)?fù)合材料的增韌機(jī)理,和對(duì)韌脆轉(zhuǎn)變行為的作用規(guī)律,可為金屬材料強(qiáng)韌化提供新的設(shè)計(jì)思路和技術(shù)支撐。
Abstract:
Multilayered metallic composites play a very important role in the aerospace,automobile, shipbuilding and nuclear power fields. Compared with traditional monolithic metals, multilayered metallic composites have superhigh plastic deformation capability and fracture toughness. This paper provides a review on strain delocalization and fracture instability delaying characteristics and mechanisms, and summarizes the effect of periodic multiple necking,delamination cracks, multiple tunnel cracks and dispersed shear bands on suppressing plastic instability of multilayered metallic composites.Meanwhile, this review elucidates the toughening mechanism and ductile-brittle transition behavior of multilayered metallic composites by delamination cracks, crack bifurcation and tunnel crack modes, which can provide the new design idea and technique support for the strengtheningtoughening of metals.

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備注/Memo

備注/Memo:
收稿日期:2023-11-10修回日期:2023-12-29基金項(xiàng)目:國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目(U23Z202349);河北省自然科學(xué)基金面上項(xiàng)目(E2023202233)第一作者:劉寶璽,男,1986年生,副研究員,博士生導(dǎo)師通訊作者:鄭士建,男,1980年生,教授,博士生導(dǎo)師,Email:sjzheng@hebut.edu.cn
更新日期/Last Update: 2024-01-02
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