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| 1 | Evaluation of Process Capability in Gas Carburizing Process to Achieve Quality through Limit Design Concept显示文摘Steel is the most important metallic material used in industry. This is because of the versatility of its engineering properties under different conditions. In one condition it can be very mild, soft and suitable for any forming operation. In another condition the same steel can be very hard and strong. This versatility is made possible by the different heat treatments that the steel can be subject to. One such treatment is Gas carburizing. This is the most widely used process for surface hardening of low carbon steels. In this method the surface composition of the steel changes by diffusion of carbon and or nitrogen and result in hard outer surface with good wear resistance properties. A striking feature of Gas Carburizing process is that in this process the original toughness and ductility remains unaffected even after heat treatment. 3% nickel chromium case hardened low carbon steels are widely used for critical automotive and machine applications such as rack and pinion, gears, camshaft, valve rocker shafts and axles which requires high fatigue resistance. Fatigue behaviour of case carburized parts depends to a great extent on the correct combination of Hardness Penetration Depth (HPD) and the magnitude of hardness at the surface and beneath the surface with low size and shape distortion. In order to reduce the manufacturing costs in terms of material consumption and elimination of the number of processing steps, the effect of Gas carburizing parameters on the fatigue behaviour should already be considered in the parameter design stage. Therefore it is of importance to optimize the gas carburizing process variables to attain quality products with respect to hardness and case depth. In the present paper, the evaluation of process capability was carried out through a Limit Design Concept called orthogonal array design of experiment. To optimize the process variables the influence of several parameters (Holding time, Carbon potential, Furnace temperature and Quench time) of the gas carburizing process on the micro hardness, total case depth, effective case depth and level of distortion of AISI 8620 steel were discussed. | K. Palaniradja N. Alagumurthi V. Soundararajan | 2004 | 材料热处理学报2004，25，5： | 2 |
| 2 | Extrapolating from sequence-the 2009 H1N1 'swine' influenza virus 显示文摘 | Venkataramanan Soundararajan | 2009 | Nature Biotechnology2009，6，27： | 1 |
| 3 | An experimental investigation on the basic mechanisms involved in ultrasonic machining 显示文摘 | Soundararajan V Radhakrishnan V | 1986 | International Journal of Machine Tool Design and Research1986，24，3： | 1 |
| 4 | Study of subjective and objective quality assessment of video 显示文摘 | Seshadrinathan K Soundararajan R Bovik A C etal | 2010 | IEEE Transactions on Image Processing2010，19，6： | 1 |
| 5 | Disinhibitory pathways for control of sodium transport: regulation of ENaC by SGK1 and GILZ显示文摘 | Bhalla V Soundararajan R Pao AC | 2006 | Am J Physiol Renal Physiol2006，291，4： | 1 |
| 6 | Improved Synthesis ofValsartan via Nucleophilic Aromatic Substitution onAryloxazoline显示文摘 | Ghosh S Kumar A S Soundararajan R | 2009 | Synthetic Communications2009，39，21： | 1 |
| 7 | Neuropro- tective properties of cultured neural progenitor cells are associated with the production of sonic hedgehog 显示文摘 | Rafuse VF Soundararajan P Leopold C | 2005 | N euroscience2005，131，4： | 1 |
| 8 | Framework for performance evaluation of face, text, and vehicle detection and lracking in video: Data, metrics, and protocol显示文摘 | R Kasturi D Goldgof P Soundararajan | 2009 | IEEE Trans actions on Pattern Analysis and Machine Intelligence2009，31，2： | 1 |
| 9 | Liposom- al doxorubicin (Doxil) : in vitro stability, pharmacokinetics, imaging and biodistribution in a head and neck squamous cell carcinoma xenograft model 显示文摘 | Soundararajan A Bao A Phillips WT | 2009 | Nucl Med Biol2009，36，5： | 1 |
| 10 | Optimization of grinding process through design of experiment (DOE) - a comparative study显示文摘 | ALAGUMURTHI N PALANIRADJA K SOUNDARARAJAN V | 2006 | Materials and Manufacturing Processes2006，21，12： | 1 |
| 11 | Woronin body function in Magnaporthe grisea is essential for efficient pathogenesis and for sur- vival during nitrogen starvation stress显示文摘 | Soundararajan S Jedd G Li X | 2004 | Plant Cell2004，16，6： | 1 |
| 12 | Functional assessment of pathogenic IgG subclasses in chronic autoimmune urticaria显示文摘 | Soundararajan S Kikuchi Y Joseph K | 2005 | J Allergy Clin Immunol2005，115，4： | 1 |
| 13 | Modeling of phase transformation in induction hardening 显示文摘 | Palaniradja K Alagumurthi N Soundararajan V | 2010 | Open Materials Science Journal2010，4，： | 1 |
| 14 | Neuroprotective properties of cultured neural progenitor cells are associated with the production of sonic hedgehog 显示文摘 | Rafuse VF Soundararajan P Leopoht C | 2005 | Neuroscience2005，131，4： | 1 |
| 15 | Thermo-mechanical model with adaptive boundary conditions for friction stir welding of A1 6061显示文摘 | SOUNDARARAJAN V ZEKOVIC S KOVACEVIC R | 2005 | International Journal of Machine Tools and Manufacture2005，45，14： | 1 |
| 16 | Making a 'completely blind' image quality analyzer 显示文摘 | MITTAL A SOUNDARARAJAN R BOVIK A C | 2013 | IEEE Signal Processing Letters2013，20，3： | 1 |
| 17 | Synthesis and characterization of lacquers based on styrene acrylic copolymers for applications in leather industry 显示文摘 | Soundararajan S Reddy B S R Rajaduyal S | 1998 | Toumal of Applied Polymer Science1998，34，1： | 1 |
| 18 | Shielding gas effect on weld characteristics in arc-augmented laser welding process of super austenitic stainless steel显示文摘 | Sathiya P Mishra M K Soundararajan R | 2013 | Optics and Laser Technology2013，45，： | 1 |
| 19 | Targeting group II PAKs in cancer and metastasis显示文摘 | Eswaran J Soundararajan M Knapp S | 2009 | Cancer Metastasis Rev2009，28，12： | 1 |
| 20 | Epithelial sodium chan- nel regulated by differential composition of a signaling complex 显示文摘 | Soundararajan R Melters D Shih I C | 2009 | Proc Natl Acad Sci USA2009，106，19： | 1 |
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