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Development of a Sheet Metal Turbine Housing for a Diesel Engine

Calsonic Kansei Corporation-Masaaki Ashida, Satoru Yokoshima, Shunichi Mitsuishi, Hiroyuki Okamoto
  • Technical Paper
  • 2019-01-2264
Published 2019-12-19 by SAE International in United States
This study presents the development of a new sheet metal turbine housing for a turbo diesel engine that improves diesel vehicle emission and fuel economy. Compared to a conventional solid casting housing, it can realize earlier catalyst light-off using less heat mass and has a longer engine stop period due to higher heat retention through its unique hollow structure constructed with sheet metal. For anticipated thermal deformation, a casting and sheet metal hybrid structure is adopted as a countermeasure to ensure concentricity of the turbine shaft. Consequently, this sheet metal turbine housing shows high environmental performance and reliability.
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Steel, Corrosion-Resistant, Investment Castings 15Cr - 4.6Ni - 0.22Cb - 2.8Cu Solution Heat Treated, Precipitation Hardenable

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5357E
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
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Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1000) 150 ksi (1034 MPa) Tensile Strength (17-4)

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5343F
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
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Steel, Corrosion-Resistant, Investment Castings 15Cr - 4.6Ni - 0.22Cb (Nb) - 2.8Cu Solution and Precipitation Heat Treated (H925) 180 ksi (1241 MPa) Tensile Strength (15-5)

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5346D
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
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Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4)

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5342F
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
This content contains downloadable datasets
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Steel, Corrosion-Resistant, Investment Castings 15Cr - 4.6Ni - 0.22Cb (Nb) - 2.8Cu Solution and Precipitation Heat Treated (H1000) 150 ksi (1034 MPa) Tensile Strength (15-5)

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5347C
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
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Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H900) 180 ksi (1241 MPa) Tensile Strength (17-4)

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5344G
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion-resistant steel in the form of investment castings.
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Mechanical and Corrosion Behaviour of Al 7075 Composite Reinforced with TiC and Al2O3 Particles

Vellore Institute of Technology-Subham Jaiswal, Govindasamy Rajamurugan, Prabu Krishnasamy, Yashwardhan Shaswat, Mishra Kaushik
Published 2019-10-11 by SAE International in United States
Various research regarding new types of fabrication and modifications of Aluminium alloy to improve the existing properties are going on. The wide range application of aluminium alloy is in aerospace and Automobile Industries. The demand for this material improved by mechanical properties with little to zero increment in weight. The current work is based on the fabrication of hybrid aluminium metal matrix composites with the addition of TiC (Titanium Carbide) and Al2O3 (Aluminium Oxide) reinforcement particle using stir casting technique. Three types of hybrid composite samples were prepared based on the weight percentage 5% Al2O3+0% TiC (sample-1), 8% Al2O3 + 12% TiC (sample-2), 20% Al2O3+15% TiC (sample-3). The objective of the study is to analyze the mechanical and corrosion properties of the hybrid composite with the influence of the reinforcement and varying the weight fraction of the particles. Overall, It is observed that a gradual increase in the hardness value in sample-1(83 BHN), Sample-2 (88 BHN) and sample-3 (96 BHN). This trend can be explained by the particulate strengthening of TiC over the soft ductile…
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Design and Analysis of Hybrid Metal Matrix Composite Connecting Rod via Stir/Squeeze Casting Route

Sri Krishna College of Engg. and Tech.-Soundararajan Ranganathan, Sathishkumar Kuppuraj, Karthik Soundarrajan, Ashokvarthanan Perumal
Published 2019-10-11 by SAE International in United States
The connecting rod was manufactured by forging process for enhancing high tensile and compressive load so that it was followed by the machining process and suite the IC engine as a part of the component. The main intern of our proposed work is to manufacture a two set of composites specimen of A356 alloy with reinforcement of 5 wt.% silicon carbide and 10 wt.% flyash processed through two different techniques like stir casting and stir cum squeeze casting route and obtain better mechanical properties. Further, the same properties were taken for modeling and analysing of the developed connecting rod model. Due to the commercial demand, the hybrid composite materials take a vigorous role in the analysis part of the connecting rod model. The FEA analysis is done on the connecting rod for a180cc engine by using Ansys 18.1. The static analysis is done by considering four different cases by altering material library property. The output parameter such as total deformation, Von Mises stress, and maximum equivalent elastic strain are taken in each condition. The analysed…
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Fabrication and Machinability Study of Al2219 Metal Matrix Composites Reinforced with SiN/MoS2 Nanoparticles

Sri Sairam Engineering College-Vetri Velmurugan Kannan
Vellore Institute of Technology-Venkatesan Kannan, Devendiran Sundararajan, Akshay Seth, Navya Sood, Aditya Babu
Published 2019-10-11 by SAE International in United States
Composites materials are substituting constituents for traditional materials due to their remarkable properties, and the addition of nanoparticles gives a new development in the material domain. The nanoparticles influence on fabrication and machinability investigation study is essential as the composites to be used in applications like automotive and aerospace. The current study investigates the machinability characteristics of Al2219 based metal composites reinforced with nanoparticles of SiN/MoS2. Al2219- reinforcements (SiN and MoS2) composites are fabricated by the method of stir casting. Four different compositions (Al2219/SiN (2 wt% and 4 wt%), , Al2219/2 wt.% SiN/ 2 wt.% MoS2, Al2219/2 wt.% MoS2) are fabricated by varying the different weight percentages of nanoparticles reinforcements. An attempt is made to study the investigation analysis of force, surface roughness, and tool wear using CNC machine lathe to consider the effect of cutting speed, cutting depth, and samples. The machinability test is carried out, and the performance is compared. Addition of 2 wt% of SiN in Al2219 is to increase the hardness of nearly about 21%, 14%, 40% compared to that of…
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