Experimental Determination of Aircraft Structural Material Life Envelope

2011 ◽  
Vol 299-300 ◽  
pp. 1198-1202
Author(s):  
Hai Wei Zhang ◽  
Yu Ting He ◽  
Li Ming Wu ◽  
Qing Shao ◽  
Jin Qiang Du
Keyword(s):  
Fatigue Life ◽  
Structural Material ◽  
Experimental Determination ◽  
New Approach ◽  
Interactive Process ◽  
Material Life ◽  
Service Environment ◽  
Key Factor ◽  
Damage Theory

A new approach to reflect the relation of aircraft structural calendar life and fatigue life is established by pre-corrosion and fatigue test with 2A12 alloy specimens. The corrosion factor curve is fitted from the test, and then aircraft structural corrosion and fatigue interactive process during actual in-service environment is simulated. Furthermore, combining with Miner linear cumulative damage theory and the method of ‘calendar life tending to minimum’, life envelope is found. The result shows that flight strength is the key factor for aircraft structural life, and the envelope can be used to realize single aircraft structural life surveillance.

scholarly journals Experimental Determination of Fatigue Life of Automotive Jounce Bumper

2011 ◽  
Vol 462-463 ◽  
pp. 634-638 ◽  
Author(s):  
R.S. Sidhu ◽  
Aidy Ali ◽  
M.R. Hassan
Keyword(s):  
Fatigue Life ◽  
Experimental Determination ◽  
Automotive Industry ◽  
Compressive Load ◽  
Experimental Results ◽  
Controlled Environment ◽  
Safety And Reliability ◽  
Repetitive Loading

It is evident that most rubber components in the automotive industry are subjected to repetitive loading. Vigorous research is needed towards improving the safety and reliability of the components. The study is conducted on an automotive rubber jounce bumper with a rubber hardness of 60 IRHD. The test is conducted in displacement controlled environment under compressive load. The existing models by Kim, Harbour, Woo and Li are adopted to predict the fatigue life. The experimental results show strong similarities with the predicted models.

scholarly journals Experimental determination of the fatigue life of modified threaded pipe couplings

2010 ◽  
Vol 2 (1) ◽  
pp. 1849-1858 ◽  
Author(s):  
Jeroen Van Wittenberghe ◽  
Jan De Pauw ◽  
Patrick De Baets ◽  
Wim De Waele ◽  
Magd Abdel Wahab ◽  
...  
Keyword(s):  
Fatigue Life ◽  
Experimental Determination

scholarly journals Internet of things and machine parts laboratory

2018 ◽  
Vol 184 ◽  
pp. 02009
Author(s):  
Dan Ioan Țarcă ◽  
Radu Cătălin Țarcă ◽  
Ioan Constantin ȚarcȚ
Keyword(s):  
Friction Coefficient ◽  
Internet Of Things ◽  
Experimental Determination ◽  
Controlled System ◽  
New Approach ◽  
Machine Parts ◽  
The Way

Internet of Things (IoT) is a relatively new approach. Due to its wide spreading and simplicity it has a various number of application, practically in every domain. This paper aims to present the way in which a classic stand can be transformed into a microprocessor-controlled system. The chosen stand is related to experimental determination of the friction coefficient and efficiency for a threaded mechanism.

Experimental determination of fatigue properties and fatigue life of S355J2+N steel grade

2019 ◽  
Vol 12 ◽  
pp. 455-461
Author(s):  
Vladimir Milovanović ◽  
Miroslav Živković ◽  
Gordana Jovičić ◽  
Aleksandar Dišić
Keyword(s):  
Fatigue Life ◽  
Experimental Determination ◽  
Steel Grade ◽  
Fatigue Properties
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