检索结果-南通市图书馆

Recent progress in self-repairing coatings for corrosion protection on magnesium alloys and perspective of porous solids as novel carrier and barrier

引用

Journal of Magnesium and Alloys 2023年第10期11卷 3585-3608页

作者： Yajie Yang Yufei Wang Mei-Xuan Li Tianshuai Wang Dawei Wang Cheng Wang Min Zha Hui-Yuan Wang Key Laboratory of Automobile Materials of Ministry of Education&School of Materials Science and Engineering Jilin UniversityChangchun 130022China School of Materials Science and Engineering Hebei University of TechnologyTianjin 300130China International Center of Future Science Jilin UniversityChangchun 130012China

Featuring low density and high specific strength, magnesium(Mg) alloys have attracted wide interests in the fields of portable devices and automotive industry. However, the active chemical and electrochemical properties make them susceptible to corrosion in humid, seawater, soil,and chemical medium. Various strategies have revealed certain merits of protecting Mg alloys. Therein, engineering self-repairing coatings is considered as an effective strategy, because they can enable the timely repair for damaged areas, which brings about long-term protection for Mg alloys. In this review, self-repairing coatings on Mg alloys are summarized from two aspects, namely shape restoring coatings and function restoring coatings. Shape restoring coatings benefit for swelling, shrinking, or reassociating reversible chemical bonds to return to the original state and morphology when coatings broken;function self-repairing coatings depend on the release of inhibitors to generate new passive layers on the damaged areas. With the advancement of coating research and to fulfill the demanding requirements of applications, it is an inevitable trend to develop coatings that can integrate multiple functions(such as stimulus response, self-repairing, corrosion warning,and so on). As a novel carrier and barrier, porous solids, especially covalent organic frameworks(COFs), have been respected as the future development of self-repairing coatings on Mg alloys, due to their unique, diverse structures and adjustable functions.

关键词： Mg alloys Coatings Self-repairing Corrosion protection porous solids

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Advanced Materials for NH_(3)Capture:Interaction Sites and Transport Pathways

引用

Nano-Micro Letters 2024年第11期16卷 119-155页

作者： Hai‑Yan Jiang Zao‑Ming Wang Xue‑Qi Sun Shao‑Juan Zeng Yang‑Yang Guo Lu Bai Ming‑Shui Yao Xiang‑Ping Zhang Key Laboratory of Green Process and Engineering State Key Laboratory of Mesoscience and EngineeringBeijing Key Laboratory of Ionic Liquids Clean ProcessInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190People’s Republic of China School of Future Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China China University of Petroleum Beijing 102249People’s Republic of China Institute for Integrated Cell‑Material Sciences(iCeMS) Kyoto UniversitySakyo‑KuYoshidaKyoto 606‑8501Japan

Ammonia(NH3)is a carbon-free,hydrogen-rich chemical related to global food safety,clean energy,and environmental *** an essential technology for meeting the requirements raised by such issues,NH3 capture has been intensively explored by researchers in both fundamental and applied *** four typical methods used are(1)solvent absorption by ionic liquids and their derivatives,(2)adsorption by porous solids,(3)abadsorption by porous liquids,and(4)membrane *** in the development of advanced materials for NH3 capture,we conducted a coherent review of the design of different materials,mainly in the past 5 years,their interactions with NH3 molecules and construction of transport pathways,as well as the structure–property relationship,with specific examples ***,the challenges in current research and future worthwhile directions for NH3 capture materials are proposed.

关键词： Ammonia capture Solvents porous solids porous liquids Membranes

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A breathing chiral molecular solid for enantioseparation via single-crystal-to-single-crystal transformation

引用

Science Bulletin 2015年第4期60卷 447-452,M0003页

作者：刘俊良刘维黄国璋童明良 Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education School of Chemistry and Chemical EngineeringSun Yat-sen University

Two chiral supramolecular porous solids derived from novel cluster-based structures of [Mn^Ⅲ_4Mn^Ⅱ] and [Mn_7^Ⅲ Mn_3^Ⅱ ] were synthesized. Driven by the distinct pores and host-guest interactions, they exhibited either selective gas adsorption ability for the former or the ability of enan- tioselective separation via reversible single-crystal-to-sin- gle-crystal transformation for the latter.

关键词： Manganese(Ⅱ,Ⅲ) Chiral Supramolecular porous solids Enantioselectiveseparation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Sorption Hysteresis of Hardened Cement Pastes

引用

Journal of Materials Science and Chemical Engineering 2016年第2期4卷 40-48页

作者： Peter Schiller Mirco Wahab Thomas Bier Sandra Waida Hans-Jörg Mögel Inst. Phys. Chem. TU-Bergakademie Freiberg Freiberg Germany IKGB TU-Bergakademie Freiberg Freiberg Germany

Mesopores in porous solids can produce a pronounced sorption hysteresis at moderate and high reduced vapor pressures of the ambient gas that is condensed in the pores. Unlike to other conventional porous materials, cement pastes often behave exceptionally. The water sorption hysteresis frequently persists at very low humidity. This hysteresis is reflected in a corresponding hysteresis loop of the solid skeleton volume. We discuss a theoretical model based on the strong compression force exerted by a condensate on the walls of narrow slit pores embedded in an elastic solid. This compression force is shown to be capable of shifting walls of narrow slit pores. Humidity-dependent closing and reopening of slit pores can produce hysteresis loops even at low humidity.

关键词： porous solids Sorption Hysteresis Capillary Forces Cement-Based Materials

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：