LASTER SURFACE CLADDING BY Co BASE ALLOY WITH Ce ON 20 # STEEL PERFORMANCE AND MICROSTURCTURE STUDYS

金属学报(英文版), 1999, 12(4): 689-693.

LASTER SURFACE CLADDING BY Co BASE ALLOY WITH Ce ON 20 # STEEL PERFORMANCE AND MICROSTURCTURE STUDYS

L.J.Shang1 2) , Y.Wang2) , Q.K.Cai1)and C.S.Liu1) 1) Northeastern University , Shenyang 110006 , China 2) Shenyang University , Shenyang 110044 , China

Keywords： rareearth , null , null , null

Onthebase of 20 # steel, Co base alloy with Ce and without Ce was obtained with laser heatingtechnology. Theresultshowsthat Cehasobviouslyeffecton alloy microstructureespe ciallyimprovethecorrosion resistancein acid by31 % ,oxygenation resistanceby23 % ,in al kalescent liquid by 23 % . Improve fearlessness 30% and improve hardness by 168 HV.Throughcontrast and analysison the Co base microstructure with Ce and without Ce . The paper discussthetheory of Ce modification Co base alloy from theside of cooling thermody namicsand dynamics

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L.J.Shang1 2) Y.Wang2) Q.K.Cai1)and C.S.Liu1) 1) Northeastern University Shenyang 110006 China 2) Shenyang University Shenyang 110044 China
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L.J.Shang1 2) Y.Wang2) Q.K.Cai1)and C.S.Liu1) 1) Northeastern University Shenyang 110006 China 2) Shenyang University Shenyang 110044 China
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L.J.Shang1 2) Y.Wang2) Q.K.Cai1)and C.S.Liu1) 1) Northeastern University Shenyang 110006 China 2) Shenyang University Shenyang 110044 China

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LASTER SURFACE CLADDING BY Co BASE ALLOY WITH Ce ON 20 # STEEL PERFORMANCE AND MICROSTURCTURE STUDYS

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