KaydedilenlerDerginizi ekleyin

Dergiler / Bor Dergisi / 2020 / Cilt: 5 - Sayı: 2

The effect of high boron additions on the microstructure of cast steel

Ömer Faruk MURATHAN
Kadir KOCATEPE
Mehmet ERDOĞAN
Sayfa
108–114
Yayın Tarihi
2020-06-29
DOI
—
🏛️Bu makalenin bibliyografik verileri ve tam metin bağlantısı DergiPark üzerinden sağlanmıştır.
DergiPark Kaydı ↗
✨

Yapay Zeka Hızlı Bakış & Çıkarımlar

AI Insight
⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

In all specimens containing boron, M2B and M7 (C, B)5 type carbides/boride peaks were detected by X-RD analysis.

📌 3 Maddede Bu Makale

🎯
Amaç & Hipotez:This study summarizes research into the effect of high boron additions on the microstructure of cast steel under the certain carbon (0.42 C wt.%) and chromium (11.65 Cr wt.%) content.
📊
Temel Bulgular & Veri:Varying amounts of boron between 0.48 - 4.75 wt.% was added into steel melt.
💡
Sonuç & Katkı:In all specimens containing boron, M2B and M7 (C, B)5 type carbides/boride peaks were detected by X-RD analysis.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Boron Content · Carbide/Boride morphology · Effect of boron on high chromium steel

Abstract

This study summarizes research into the effect of high boron additions on the microstructure of cast steel under the certain carbon (0.42 C wt.%) and chromium (11.65 Cr wt.%) content. Varying amounts of boron between 0.48 - 4.75 wt.% was added into steel melt. The boron analysis of the alloys was conducted by wet chemical analysis. The microstructure of the specimens was characterized with optical microscope, Scanning Electron Microscope with Energy Dispersive X-Ray Analysis (SEM/EDX) and X-Ray Diffraction (X-RD). The experimental results showed that high boron steel was successfully produced by sand casting with high casting yield. The microstructure of boron alloyed high chromium cast steel consists of three dimensional networks of M2B borides surrounding the martensitic matrix in as cast condition. Under the certain carbon and chromium content, boron carbide volume fraction is directly depended on the boron additions. Due to the high amount of chromium and boron, carbides and borides were embedded in each other in all additions. In the specimens having less than 2.44 B wt.%, carbide/boride structure was fishbone type with dendritic distribution over the matrix whereas rod/needle like structure with randomly distribute was observed in specimens having 2.44 - 4.75 B wt.%. In all specimens containing boron, M2B and M7 (C, B)5 type carbides/boride peaks were detected by X-RD analysis.

🔖

Bu Makaleye Atıf Yap

MURATHAN, Ö. F., KOCATEPE, K., ERDOĞAN, M. (2020). The effect of high boron additions on the microstructure of cast steel. Bor Dergisi, Cilt: 5 - Sayı: 2, 108–114. https://ajindex.com/articles/252133

📄 Tam Metin PDF Okuyucu

📄

PDF görüntüleyici hazırlanıyor...

Kaynakça (17)

  1. Krauss, G. (2015). Steels: processing, structure, and performance. Asm International
  2. Bhadeshia, H., & Honeycombe, R. (2017). Steels: microstructure and properties. Butterworth-Heinemann
  3. Banerji, S. K., ve Morral, J. E. (1979). Boron in Steel. Milwaukee, Wis, 18 Sept. 1979, 1980
  4. Davis, J. R., Mills, K. M., & Lampman, S. R. (1990). Metals handbook. Vol
  5. Properties and selection: Irons, steels, and high-performance alloys. ASM International, Materials Park, Ohio 44073, USA, 1990. 1063
  6. Llewellyn, D. T., & Cook, W. T. (1974). Metallurgy of boron-treated low-alloy steels. Metals Technology, 1(1), 517-529
  7. Hwang, B., Suh, D. W., & Kim, S. J. (2011). Austenitizing temperature and hardenability of low-carbon boron steels. Scripta Materialia, 64(12), 1118-1120
  8. Suri, A. K., Subramanian, C., Sonber, J. K., & Murthy, T. C. (2010). Synthesis and consolidation of boron carbide: a review. International Materials Reviews, 55(1), 4-40
  9. Egorov, M. D., Sapozhnikov, Y. L., & Shakhnazarov, Y. V. (1989). Effect of carbon content on the structure, hardness, and thermal stability of boron-chromium cast steels. Metal Science and Heat Treatment, 31(5), 387-391
  10. Fu, H. G., Xing, J. D., Lei, Y. P., & Huang, L. M. (2011). A Study on the Wear Behavior of Cast Boron Steel. Journal of materials engineering and performance, 20(9), 1665-1670
  11. Fu, H. G., Wu, Z. W., & Xing, J. D. (2007). Investigation of quenching effect on mechanical property and abrasive wear behaviour of high boron cast steel. materials science and Technology, 23(4), 460-465
  12. Fu, H. G., Fu, D. M., & Xing, J. D. (2008). Investigations on the cast boron steel guide roller and its application in steel wire-rod mill. Materials and Manufacturing Processes, 23(2), 123-129
  13. Röttger, A., Lentz, J., & Theisen, W. (2015). Boron-alloyed Fe–Cr–C–B tool steels—Thermodynamic calculations and experimental validation. Materials & Design, 88, 420-429
  14. Lentz, J., Röttger, A., & Theisen, W. (2015). Solidification and phase formation of alloys in the hypoeutectic region of the Fe–C–B system. Acta Materialia, 99, 119-129
  15. Standard, A. S. T. M. (2012). E407-07: Standard Practice for Microetching Metals and Alloys. ASTM International., West Conshohocken, PA
  16. Standard, A. ASTM E 1245-03: Standard Practice for Determining the Inclusion or Second-Phase Constituent Content of Metals by Automatic Image Analysis. Annual Book of ASTM Standards, 3, 1-8
  17. Zhang, J., Gao, Y., Xing, J., Ma, S.,