References

1. Hoana Handbook for Maching guidines
2. Meals handbook(9th ed.) v.7 H.E.Boyer
3. JSPM, Proceedings of PM Kyoto Cutting forces investigation by tapping and drilling of the P/M materials B.Kubicki
4. Hoana PM81-5 Machinability of Sintered steel U.Enstro
5. Modern developments in P/M v.21 Different methods to improve machinability of high strength sintered steel R.Johansson
6. 공업재료가공학(2판) 김낙수
7. JPMA session 1 in PM Kyoto Development of high machinability sintered material for p/m machine parts K.Ishii
8. 전기서 v.6
9. JSPM, Proceedings of PM2000 Effects of machining aids on the machinbility of steam treated P/M Parts S.Ashok
10. The Int. Journal of P/M v.34 Enhanced machinability and oxidation resistance of p/m steel using modified MnS additions S.F.Claeys
11. Morden developments in P/M v.10 Annealing P/M forgins for machinability F.B.Fletcher
12. Advanced in P/M v.1 Advanced in chemicals and processes for the impregnation of P/M parts N.H.Hewett
13. Morden developments in P/M v.21 Manganese sulfide in machining grade ferrous P/M alloys K.S.Chopra
14. JSPM, Proceedings of PM2000 Machinability of warm compacted P/M steels in case of green tapping A.Benner
15. 燒結機械部品 일본분말야금공업회