GSD-17 A STUDY ON THE HEAT-TREATMENT TECHNIQUE FOR DEFORMATION CONTROL OF LANDING GEARS(GEAR STRENGTH AND DURABILITY)

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概要

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• This study deals with the characteristic of refrigerant for heat-treatment deformation control of SM45C steel. The control of heat-treatment deformation must need the progress of production parts for a landing gear. Most of the deformation is occurred on inconsistent cooling. The inconsistent cooling is occurred by a property of quenching refrigeration. When a heated metal is deposited in the refrigeration, the cooling speed is so slow in early period of cooling because of occurring a steam-curtain. After more cooling, the steam-curtain is destroyed. In this progress, the cooling speed is very fast. The object of this study is to control the deformation of heat-treatment for landing gear by improving the conditions of quenching. The cooling curves and cooling rates of water, oil and polymer solution are obtained and illustrated. From the characteristics of the quenching refrigerant, the effects of heat-treatments on thermal deformation and fatigue strength are also investigated.

• 一般社団法人日本機械学会の論文
• 2001-11-15

著者

• Chong Tae-hyong

  Dept. Of Mechanical Engineering College Of Engineering Hanyang University

• Chong Tae-hyong

  Dept. Of Mechanical Eng. Hanyang Univ.

• Nam Tae-hyun

  Div. Of Materials Science And Eng. Recapt Gyeongsang Nat. Univ.

• Lu Long

  Dept. Of Mechanical Design & Production Eng. Graduate School Of Gyeongsang Univ.

• Lyu Sung-ki

  School Of Transport Vehicle Eng. Recapt Gyeongsang Nat. University

• KANG Chang-Ho

  Graduate School of Gyeongsang Univ.

関連論文

• Tooth Fillet Stresses of Gear with Thin Rim : 3rd report, Examination of Approximation Formulae for Gear Tooth Fillet Stresses
• Tooth Fillet Stresses of Gear with Thin rim : 2nd report, Approximation Formulae for Tooth Fillet Stresses
• Tooth Fillet Stresses of Gear with Thin Rim : 1st report, Automatic Meshing for FEM Calculation
• Bending Stresses of Internal Spur Gear
• GSD-17 A STUDY ON THE HEAT-TREATMENT TECHNIQUE FOR DEFORMATION CONTROL OF LANDING GEARS(GEAR STRENGTH AND DURABILITY)

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