Neutron Radiography를 이용한 고탄소흑연강에서 붕소 분석

우기도; 양창호; 박희찬; 이창희; 심철무; 장진성; 김현경; K.D. Woo; C.H. Yang; H.C. Park; C.H. Lee; C.M. Shim; J.S. Jang; H.K. Kim

Korean Journal of Materials Research, Vol.11, No.12, 1074-1079, December, 2001

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Neutron Radiography를 이용한 고탄소흑연강에서 붕소 분석

Boron Analysis in High Carbon Graphitized Steel using Neutron Autoradiography

우기도^†, 양창호, 박희찬, 이창희¹, 심철무¹, 장진성², 김현경³

전북대학교 신소재공학부, 공업기술연구소
¹한국원자력연구소 하나로센터
²한국원자력연구소 원재력재료기술개발팀
³한국표준과학연구원 소재특성평가센타

K.D. Woo^†, C.H. Yang, H.C. Park, C.H. Lee¹, C.M. Shim¹, J.S. Jang², and H.K. Kim³

Division of Advanced Materials Science & Engineering and RIIT, Chonbuk National University, Chongju, 561-756, Korea
¹HANARO Utilization Technology Development Team, Korea Atomic Energy Research Institute, Taejon, 305-600, Korea
²Nuclear Materials Technology R&D Team, Korea Atomic Energy Research Institute, Taejon, 305-600, Korea
³Surface Analysis Group, Korea Research Institute of Standards and Science, Taejon, 305-600, Korea

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To study the distribution of boron and the boron effect for nucleation of graphite in high carbon steel, neutron induced autoradiography method is used. High carbon steel is easy to make the graphitization by addition of boron. It is easy to analysis of boron distribution using neutron radiography with neutron fluence of 1.9 \times×10 13 /cm 2 in the boron added high carbon steel. By the neutron induced autoradiography technique, it was found that the distribution of boron depended on boron content, graphitiging temperature and time. And by the analysis of secondary ion mass spectroscopy (SIMS) and electron probe micro analysis (EPMA), boron or boride were acted at nucleation site of graphite in high carbon steel.

Keywords:steels;carbon & graphite;neutron radiography;nucleation;EPMA

[References]

Llewellyn DT, Ironmaking and steelmaking, 20, 338 (1993)
Choi JC, Park IM, Jujo, 10, 202 (1990)
Grange RA, Michell JB, Trans. ASM, 53, 157 (1961)
Bever MB(ed.), Encyclopedia of Materials Science and Engineering, 1, 405 (1986)
Melloy FG, Slimmon PR, Podgursky PP, Met. Trans., 4, 2279 (1973)
Proter LF, The present status and future of boron steels, ed. by Banerji SK, Morral JE, AIME, Pennsylvania, p.199-211 (1980) (1980)
Keown SR, Scand. J. Matall., 3, 59 (1973)
Thomas BJ, Henry G, in Proc.Conf., 'Boron in steel' ed. by Benerji SK, Morral JE, Milwaukee, WI, TMS-AIME (1979) (1979)
Williams TM, Met. Sci., 6 (1972)
Goldschmit HJ, J. Iron Steel Inst, 209 (1975)
Otterberg R, Roberts W, in 'Stainless steel 84', ed. Banerji SK, Morral JE, London, The Institute of Metals (1984) (1984)
Woo KD, Park YK, Kim SW, Jin YC, 'A study on the effect of alloying elements of graphitization in high carbon steel', Report to POSCO as document number 95K012, Chonbuk National University (1996) (1996)
Woo KD, Park YK, 'Graphitization behaviro of Fe-Si-Mn-B system and Fe-Ni-B system high carbon steel', Report to POSCO as document number 96KC043, Chonbuk National University (1997) (1997)
Brown A, Garnish JD, Honeycomb RWK, Metal Science, 8, 317 (1974)
GrinBerg EM, Miroshnik ES, Laricheva GG, Nucl. Tracks Radiat. Meas., 21, 369 (1993)
Tanaka H, Kondo N, Fujita K, ShiBata K, Trans. ISIJ, 30, 646 (1990)
Kim HJ, Ho JH, Jang JS, En Z, Jurneav N, Usmanova MM, J. Radioanalycal and Nuclear Chemistry, 216, 117 (1997)
Jang JS, 'A study on the behavior of boron on ironbase alloys by neutron induced autoradiography', Report to Korea Atomic Energy Research Institute,(2001) (2001)
Woo KD, 'Effect of boron for nucleation of graphite formation in high carbon steel with neutron radiography', Report to Ministry of Science & Technology, Chonbuk National Unoversity (2001) (2001)
Iwamoto T, CAMP-ISIJ, 8, 1378 (1995)

[1] Llewellyn DT, Ironmaking and steelmaking, 20, 338 (1993)

[2] Choi JC, Park IM, Jujo, 10, 202 (1990)

[3] Grange RA, Michell JB, Trans. ASM, 53, 157 (1961)

[4] Bever MB(ed.), Encyclopedia of Materials Science and Engineering, 1, 405 (1986)

[5] Melloy FG, Slimmon PR, Podgursky PP, Met. Trans., 4, 2279 (1973)

[6] Proter LF, The present status and future of boron steels, ed. by Banerji SK, Morral JE, AIME, Pennsylvania, p.199-211 (1980) (1980)

[7] Keown SR, Scand. J. Matall., 3, 59 (1973)

[8] Thomas BJ, Henry G, in Proc.Conf., 'Boron in steel' ed. by Benerji SK, Morral JE, Milwaukee, WI, TMS-AIME (1979) (1979)

[9] Williams TM, Met. Sci., 6 (1972)

[10] Goldschmit HJ, J. Iron Steel Inst, 209 (1975)

[11] Otterberg R, Roberts W, in 'Stainless steel 84', ed. Banerji SK, Morral JE, London, The Institute of Metals (1984) (1984)

[12] Woo KD, Park YK, Kim SW, Jin YC, 'A study on the effect of alloying elements of graphitization in high carbon steel', Report to POSCO as document number 95K012, Chonbuk National University (1996) (1996)

[13] Woo KD, Park YK, 'Graphitization behaviro of Fe-Si-Mn-B system and Fe-Ni-B system high carbon steel', Report to POSCO as document number 96KC043, Chonbuk National University (1997) (1997)

[14] Brown A, Garnish JD, Honeycomb RWK, Metal Science, 8, 317 (1974)

[15] GrinBerg EM, Miroshnik ES, Laricheva GG, Nucl. Tracks Radiat. Meas., 21, 369 (1993)

[16] Tanaka H, Kondo N, Fujita K, ShiBata K, Trans. ISIJ, 30, 646 (1990)

[17] Kim HJ, Ho JH, Jang JS, En Z, Jurneav N, Usmanova MM, J. Radioanalycal and Nuclear Chemistry, 216, 117 (1997)

[18] Jang JS, 'A study on the behavior of boron on ironbase alloys by neutron induced autoradiography', Report to Korea Atomic Energy Research Institute,(2001) (2001)

[19] Woo KD, 'Effect of boron for nucleation of graphite formation in high carbon steel with neutron radiography', Report to Ministry of Science & Technology, Chonbuk National Unoversity (2001) (2001)

[20] Iwamoto T, CAMP-ISIJ, 8, 1378 (1995)