|제목(국문)||과공석 강선에서 미세조직 인자들이 단면감소율에 미치는 영향|
|제목(영문)||Effects of Microstructural Parameters on the Reduction of Area in Hyper-eutectoid Steel Wires|
박정훈 (J.H.Park ,국민대학교 신소재공학부 ) ▷공저자네트워크등록하기
배형준 (H.J.Bae ,고려제강 기술개발 연구원 ) ▷공저자네트워크등록하기
Effects of manufacturing conditions, such as austenitizing temperature, patenting temperature and carbon content in steels, on mechanical properties, especially on reduction of area (RA), of hyper-eutectoid steel wires were investigated. RA increased and then decreased with transformation temperature. This was attributed to the presence of abnormal structures in steels transformed at low transformation temperatures and the occurrence of shear cracking during tensile testing of steels transformed at high transformation temperatures. The increase of austenitizing temperature resulted in the increased austenite grain size and consequently the decrease of RA. The decrease of RA with increasing the carbon content in steels was attributed to the increased fraction of cleavage fracture in tensile fractured surfaces.
|keyword||Hyper-eutectoid Steel, Transformation Temperature, Carbon Content, Austenite Grain Size, Abnormal Structure,
Reduction of Area