Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Bricks01:14

Bricks

171
Bricks, a fundamental building material, are crafted from fired clay and exhibit a range of shapes, sizes, and colors. The production process starts with extracting local clay or shale, which is then crushed, ground, and screened for a fine texture. The refined material is blended with water, creating a pliable mixture that can be formed into bricks using one of three processes: soft mud, dry press, or stiff mud methods.
Soft mud bricks are shaped in molds with high moisture content and can be...
171
Stress-Strain Diagram - Brittle Materials01:24

Stress-Strain Diagram - Brittle Materials

2.9K
Brittle materials, including glass, cast iron, and stone, exhibit unique characteristics. They fracture without considerable change in their elongation rate, indicating that their breaking and ultimate strength are equivalent. Such materials also show lower strain levels at the point of rupture. The failure in brittle materials predominantly results from normal stresses, as evidenced by the rupture created along a surface perpendicular to the applied load. These materials do not display...
2.9K
Efflorescence in Masonry01:25

Efflorescence in Masonry

161
Efflorescence in masonry walls appears as a fluffy crystalline powder, often white, resulting from water-soluble salts within the masonry or mortar. When water penetrates the masonry, it dissolves these salts and brings them to the surface, where they are deposited upon evaporation of water.
While initial efflorescence is common post-construction and can be cleaned with water and a brush, in certain instances, efflorescence can reappear and gradually diminish over time as salts are leached out...
161
Mortar Properties01:17

Mortar Properties

215
Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to...
215
Mortar Joint Deterioration in Masonry01:13

Mortar Joint Deterioration in Masonry

175
Mortar joint deterioration is a significant concern in masonry structures, with water accumulation in the joints leading to damage from freeze-thaw cycles. The repeated expansion of water during freezing and its melting during thawing develop and propagate cracks in the masonry joints. Eventually, this leads to the spalling of mortar from the joints, loosening masonry units and weakening the structure. The deteriorated mortar joints are also vulnerable to moisture intrusion into the walls.
The...
175
Soundness of Cement01:17

Soundness of Cement

275
The soundness of cement refers to the ability of cement paste to retain its volume after setting. Unsound cement can lead to expansion and structural damage due to the presence of free lime, magnesia, and calcium sulfate. Free lime hydrates very slowly, expanding and causing unsoundness, which is difficult to detect because it intercrystallizes with other compounds. Magnesia also reacts with water, forming crystals that can disrupt the cement's structure. Calcium sulfate can create...
275

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Comparing post-acquisition methods for Raman-based mineral identification of particles in yellow earth pigments.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2026
Same author

Bending-fatigue-resistant hierarchical NiTi shape memory alloy.

Nature communications·2026
Same author

Structural analysis of co-sputtered Cu-Nb and Cu-Pd textured thin films.

Journal of applied crystallography·2026
Same author

High-Performance Supercapacitors with Femtosecond-Laser-Nanostructured Current Collectors.

ACS applied engineering materials·2025
Same author

Amorphization of laser-fabricated ignoble high-entropy alloy nanoparticles and its impact on surface composition and electrochemistry.

Faraday discussions·2025
Same author

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration.

Beilstein journal of nanotechnology·2025
Same journal

Retraction Note: NSD2 targeting reverses plasticity and drug resistance in prostate cancer.

Nature·2026
Same journal

Enhanced B cell priming induces broadly neutralizing HIV-1 apex antibodies.

Nature·2026
Same journal

Vaccination elicits HIV broadly neutralizing antibodies in primates.

Nature·2026
Same journal

Child online safety needs more than social-media bans.

Nature·2026
Same journal

Ebola preparedness must start with ecosystems and before humans show symptoms.

Nature·2026
Same journal

AI tools can speed up thinking, but evidence still comes from the lab bench.

Nature·2026
関連記事をすべて見る

関連する実験動画

Updated: Oct 13, 2025

Fused Filament Fabrication FFF of Metal-Ceramic Components
08:43

Fused Filament Fabrication FFF of Metal-Ceramic Components

Published on: January 11, 2019

17.5K

爆発し涙を流す陶器

Hanlin Gu1, Jascha Rohmer2, Justin Jetter3

  • 1Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis, MN, USA. guxxx369@umn.edu.

Nature
|November 18, 2021
PubMed
まとめ
この要約は機械生成です。

段階変換のための結晶格子パラメータのチューニングは,予期せぬ形で材料の分解につながります. オプティマイズする

さらに関連する動画

Multi-material Ceramic-Based Components – Additive Manufacturing of Black-and-white Zirconia Components by Thermoplastic 3D-Printing (CerAM - T3DP)
08:29

Multi-material Ceramic-Based Components – Additive Manufacturing of Black-and-white Zirconia Components by Thermoplastic 3D-Printing (CerAM - T3DP)

Published on: January 7, 2019

11.5K
Customizing a Cryolite Glass Prosthetic Eye
08:04

Customizing a Cryolite Glass Prosthetic Eye

Published on: October 31, 2019

10.9K

関連する実験動画

Last Updated: Oct 13, 2025

Fused Filament Fabrication FFF of Metal-Ceramic Components
08:43

Fused Filament Fabrication FFF of Metal-Ceramic Components

Published on: January 11, 2019

17.5K
Multi-material Ceramic-Based Components – Additive Manufacturing of Black-and-white Zirconia Components by Thermoplastic 3D-Printing (CerAM - T3DP)
08:29

Multi-material Ceramic-Based Components – Additive Manufacturing of Black-and-white Zirconia Components by Thermoplastic 3D-Printing (CerAM - T3DP)

Published on: January 7, 2019

11.5K
Customizing a Cryolite Glass Prosthetic Eye
08:04

Customizing a Cryolite Glass Prosthetic Eye

Published on: October 31, 2019

10.9K

科学分野:

  • 材料科学
  • 固体化学
  • クリスタルグラフィー

背景:

  • 水晶格子パラメータの体系的なチューニングは,運動互換性を高めます.
  • 運動互換性は,固体-固体相変換の可逆性を改善し,ヒステリシスを低下させます.
  • 最適なフェーズフィッティングを達成することは,材料の安定性にとって極めて重要です.

研究 の 目的:

  • フェーズ変換の不可逆性に対するほぼ完璧な動力学的互換性のパラドックスな効果を調査する.
  • 格子パラメータのチューニングと相変化中の材料の動作の関係を探求する.
  • 単一のセラミックシステム内の可逆分解から爆発的な分解までの多様な材料反応を実証する.

主な方法:

  • (Zr/Hf) O2で結晶格子パラメータを体系的に調整する.
  • 冷却によってテトラゴナルからモノクリニックの相変換を誘導する.
  • 異なる互換性条件下で 涙と分解を含む物質の振る舞いを観察する.
  • "均等距離"条件に合わせた材料と結果を比較する.

主要な成果:

  • ほぼ完璧な動力学的な互換性は,重要な不可逆性と材料の分解 ("泣く"または爆発障害) を引き起こした.
  • "均等距離"条件 (サンプル形を含む) のチューニングは,低ヒステリシスで可逆的な行動をもたらした.
  • 化学的に均質なセラミックシステムは 互換性チューニングに基づいた幅広い行動を示した.

結論:

  • 運動互換性を最適化すると,予期せぬ有害な材料の不安定化が生じます.
  • "等距離"条件は,可逆相変換への経路を提供します.
  • これらの発見は 形状記憶性酸化物陶器のような 先進的な材料の開発に 極めて重要です