Fast Fluorescence Photoswitching in a BODIPY−Oxazine Dyad with Excellent Fatigue Resistance

2010 ◽  
Vol 1 (11) ◽  
pp. 1690-1693 ◽  
Author(s):  
Erhan Deniz ◽  
Salvatore Sortino ◽  
Françisco M. Raymo
Keyword(s):  
Fatigue Resistance ◽  
Fluorescence Photoswitching

Methods and specimens for comparative investigations of fatigue resistance of parts with multilayer surfacing

2019 ◽  
Vol 2019 (2) ◽  
pp. 36-42
Author(s):  
I.A. Ryabtsev ◽  
◽  
V.V. Knysh ◽  
A.A. Babinets ◽  
S.A. Solovej ◽  
...  
Keyword(s):  
Fatigue Resistance

HAYNES ALLOY No. 625SQ

Alloy Digest ◽  
2003 ◽  
Vol 52 (8) ◽  
Keyword(s):  
Grain Size ◽  
High Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Heat Treating ◽  
Temperature Performance ◽  
Haynes Alloy

Abstract Haynes 625SQ alloy is a modification of Haynes 625 alloy (see Alloy Digest Ni-354, January 1988) with tighter controls on chemistry and a finer grain size for fatigue resistance up to 680 deg C (1250 deg F). This datasheet provides information on composition, physical properties, microstructure, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance as well as heat treating. Filing Code: Ni-612. Producer or source: Haynes International Inc.

THERMO-SPAN ALLOY

Alloy Digest ◽  
1994 ◽  
Vol 43 (2) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Thermal Fatigue ◽  
Rupture Strength ◽  
Stress Rupture ◽  
Heat Treating ◽  
Thermal Fatigue Resistance ◽  
Stress Rupture Strength

Abstract THERMO-SPAN ALLOY is a precipitation-hardenable superalloy with a low coefficient of expansion combined with tensile and stress-rupture strength. Thermal fatigue resistance is inherent. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on forming and heat treating. Filing Code: FE-105. Producer or source: Carpenter.

ALCOA 2026

Alloy Digest ◽  
2006 ◽  
Vol 55 (10) ◽  
Keyword(s):  
Compressive Strength ◽  
Corrosion Resistance ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Selection Criteria ◽  
Damage Tolerance ◽  
Structural Applications ◽  
Extrusion Alloy ◽  
High Degree

Abstract Alcoa extrusion alloy 2026 was developed as an improvement over 2024 and 2224 extrusions in aerospace structural applications where the governing selection criteria are high damage tolerance, good fatigue resistance, and a high degree of manufacturability. In addition to improved damage tolerance, extrusion alloy 2026-T3511 also has a significantly higher A-basis minimum strength than 2024-T3511 and 2224-T3511. This datasheet provides information on composition, tensile properties, and compressive strength as well as fatigue. It also includes information on corrosion resistance as well as forming. Filing Code: AL-401. Producer or source: AEAP-Alcoa Engineered Aerospace Products.

CYCLOPS N9

Alloy Digest ◽  
1958 ◽  
Vol 7 (6) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Heat Treating ◽  
High Toughness

Abstract CYCLOPS N-9 is a chromium-nickel oil hardening steel with high toughness and fatigue resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-71. Producer or source: Cyclops Corporation.

Electrical Failure and Damage Analysis of Multi-Layer Metal Films on Flexible Substrate during Cyclic Bending Deformation

2011 ◽  
Author(s):  
Byoung-Joon Kim ◽  
Hae-A-Seul Shin ◽  
In-Suk Choi ◽  
Young-Chang Joo
Keyword(s):  
Fatigue Resistance ◽  
Electrical Resistance ◽  
Metal Film ◽  
Flexible Substrate ◽  
Resistance Change ◽  
Cyclic Bending ◽  
Capping Layer ◽  
Bending Strain ◽  
Cu Film ◽  
Electrical Resistance Change

Abstract The electrical resistance Cu film on flexible substrate was investigated in cyclic bending deformation. The electrical resistance of 1 µm thick Cu film on flexible substrate increased up to 120 % after 500,000 cycles in 1.1 % tensile bending strain. Crack and extrusion were observed due to the fatigue damage of metal film. Low bending strain did not cause any damage on metal film but higher bending strain resulted in severe electrical and mechanical damage. Thinner film showed higher fatigue resistance because of the better mechanical property of thin film. Cu film with NiCr under-layer showed poorer fatigue resistance in tensile bending mode. Ni capping layer did not improve the fatigue resistance of Cu film, but Al capping layer suppressed crack formation and lowered electrical resistance change. The NiCr under layer, Ni capping layer, and Al capping layer effect on electrical resistance change of Cu film was compared with Cu only sample.

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