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Sökning: WFRF:(Babu G. Dinesh)

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1.
  • Sainis, Salil, et al. (författare)
  • Weibull analysis of the effect of interrupted aging treatments on the fatigue life of components made of cast Aluminium alloy 354
  • 2014
  • Ingår i: Advanced Materials Research. - : Trans Tech Publications. - 1022-6680 .- 1662-8985. - 9783037859254 ; 849, s. 223-227
  • Tidskriftsartikel (refereegranskat)abstract
    • Cast aluminum alloy 354 is widely used in the automobile industry due to its attractive set of mechanical properties and excellent castability. The compressor wheel in turbochargers, for example, is used for the production of this alloy. Apart from mechanical properties like fracture toughness and tensile strength, the fatigue life of the component is also a critical issue while considering the performance. This study makes an attempt to improve the fatigue life of a component made out of this alloy by subjecting it to interrupted aging cycles similar to T6I4 and T6I6 (discussed in the published literature) instead of the normally used T61 standard aging treatment. Results show that subjecting the material to these interrupted aging treatments gives lower fatigue life than that obtained after subjecting it to standard T61 conditions.Also, T6I4 treatment yields better fatigue life as compared to T6I6. 
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2.
  • Sainis, Salil, et al. (författare)
  • Weibull analysis of the effect of modified aging treatments on fatigue life of cast aluminium alloy 354
  • 2013
  • Ingår i: Advanced Materials Research. - : Trans Tech Publications. - 1022-6680 .- 1662-8985. - 9783037858509 ; 800, s. 356-360
  • Tidskriftsartikel (refereegranskat)abstract
    • Cast aluminium alloy 354 has extensive applications in the automobile industry. Due to its attractive combination of mechanical properties and excellent castability, it is being used in production of automobile components like the compressor wheel for turbochargers. Performance of this component under fatigue loading conditions is a critical issue. The present study explores the possibility of improving the fatigue life of the component by bringing in process changes - (i) adopting a two-step aging treatment in place of the normally used single step aging treatment (ii) adopting a lower artificial aging temperature (171°C) instead of the temperature normally used for artificial aging(188°C) while performing T61 treatment. In all cases Weibull analysis of fatigue test results was carried out. Weibull analysis of Ultimate Tensile Strength (UTS) values obtained after artificial aging at 171°C and 188°C was also carried out. Among the four variants of two-step aging treatment carried out, the one consisting of 100°C for 5 hours followed by 170°C for 5 hours was found to have the best characteristic fatigue life for the components. The modified T61 treatment where aging was carried out at 171°C instead of the normally used 188°C yielded better characteristic fatigue life as well as better Ultimate Tensile Strength (UTS). 
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (2)
Typ av innehåll
refereegranskat (2)
Författare/redaktör
Sainis, Salil (2)
Kalra, Aakarshit (2)
Babu, G. Dinesh (2)
Rao, M. Nageswara (2)
Lärosäte
Jönköping University (2)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Teknik (2)

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