Fractal Characteristics of Scanning Tunneling Microscopic Images of Brittle Fracture Surfaces on Molybdenum
スポンサーリンク
概要
- 論文の詳細を見る
Brittle fracture surfaces at room temperature (〜25℃) and liquid nitrogen temperature (-196℃) for molybdenum single crystal were observed with a scanning tunneling microscope (STM) and a scanning electron microscope (SEM). STM images obtained showed that fine cleavage steps were formed on the fracture surfaces. The images were analyzed by fractal geometry. The brittle fracture surface of molybdenum single crystal had self-similarity (i.e., fractal characteristics) up to the very high magnification where the scanning range of 40nm in X and Y directions corresponded to about 150 atoms of molybdenum. However, this characteristics was expected to break down when the scanning range in the X and Y directions was below 20nm. This was confirmed by STM images with the scanning range of 16nm, where the cleavage step was not observed.
- 一般社団法人日本機械学会の論文
- 1992-10-15
著者
-
Ishikawa Keisuke
National Research Institute For Metals Tsukuba Lab.
-
Ishikawa Keisuke
First Research Group National Research Institute For Metals
-
Nihei M
Fifth Research Group National Research Institute For Metals
-
SUMIYOSHI Hideshi
Failure Physics Division, National Research Institute for Metals
-
MATSUOKA Saburo
Environmental Performance Division, National Research Institute for Metals
-
NIHEI Masatoshi
Fifth Research Group, National Research Institute for Metals
-
Sumiyoshi Hideshi
Failure Physics Division National Research Institute For Metals
-
Matsuoka Saburo
Environmental Performance Division National Research Institute For Metals
-
Ishikawa Keisuke
Tsukuba Laboratories, National Research Institute for Metals
関連論文
- 工業技術研究所プロジェクト研究報告 パルスガスアブレーション成膜技術の開発
- 研究所内プロジェクト研究中間報告 パルスガスアブレーション成膜技術の開発
- Al-Mg 合金の疲労き裂進展特性に及ぼす環境雰囲気の影響
- 534 アルミニウム合金5083及び7075の疲労亀裂進展特性(OS 加工による材料の機能創製)
- 2724 低反発フォームの圧縮-除荷特性と劣化の評価(G04-3 機械材料・材料加工(3),G04 機械材料・材料加工)
- 2709 低反発フォームの復元特性への温度の影響(G04 機械材料・材料加工,G04 機械材料・材料加工)
- 2708 形状記憶ゲルの共重合比と架橋剤量の復元への影響(G04 機械材料・材料加工,G04 機械材料・材料加工)
- 133 形状記憶ポリマーの復元特性(材料工学)
- 225 高分子材料(PEEK, PEI, POM)のガラス転移領域におけるクリープ挙動(OS 高分子/高分子基複合材料(4))
- 220 軟質ポリウレタンフォームの圧縮特性(OS 高分子/高分子基複合材料(3))
- 314 PMMA 及び PC 樹脂のガラス転移点付近でのクリープ挙動
- 305 ABS および PET 樹脂の疲労破壊と破面観察
- AZ91Dマグネシウム合金の疲労寿命に及ぼす環境雰囲気の影響
- Al-MgおよびMg-Al固溶体合金の定応力クリープ特性
- 140 二元系および三元系アルミニウム合金のクリープ特性(OS 耐熱材料)
- 507 AZ91Dマグネシウム合金における疲労限に及ぽすき裂特性(OS フレッティング摩耗と疲労)
- 325 マグネシウム合金の疲労寿命と破壊機構(材力・材料その1)
- 5083 アルミニウム合金の初期クリープ及び最小クリープ速度
- 533 アルミニウム合金、A5083の高温環境下におけるクリープ挙動(OS 加工による材料の機能創製)
- 純アルミニウムの定応力クリープのレオロジー解析
- Fractal Characteristics of Scanning Tunneling Microscopic Images of Brittle Fracture Surfaces on Molybdenum
- 低温用構造材料
- Fatigue Properties of Titanium Alloys in Liquid Helium
- Tensile Properties of γ-Al_2O_3-Fiber-Reinforced AI at Room and Cryogenic Temperatures : Series A : Solid-Mechanics Strength of Materials
- Nanoscopic Hardness Measurement by Atomic Force Microscope
- In-Situ 0bservation of Metal Surfaces in Aqueous Solutions with an Electrochemical STM
- Cryogenic mechanical properties of Ti-6Al-4V alloys with three levels of oxygen content
- Internal crack initiation in high cycle fatigue of Ti-6Al-4V alloys at cryogenic temperatures
- STM Images of Surface Films Produced at Elevated Temperatures
- Effect of cold rolling on mechanical properties and fracture mode of a 32Mn-7Cr steel at cryogenic temperatures.