Effect of Mischmetal on As-cast Microstructure and Mechanical Properties of M2 High Speed Steel

2015 ◽  
Vol 22 (3) ◽  
pp. 245-249 ◽  
Author(s):  
Qiu-xiang Liu ◽  
De-ping Lu ◽  
Lei Lu ◽  
Qiang Hu ◽  
Qing-feng Fu ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
High Speed ◽  
High Speed Steel ◽  
Microstructure And Mechanical Properties ◽  
M2 High Speed Steel ◽  
Cast Microstructure

The Influence of Sintering Atmosphere for Metal Injection Moulding M2 High Speed Steel

2014 ◽  
Vol 879 ◽  
pp. 169-174
Author(s):  
R. Sauti ◽  
N.A. Wahab ◽  
M.A. Omar ◽  
I.N. Ahmad
Keyword(s):  
Mechanical Properties ◽  
Injection Moulding ◽  
High Speed ◽  
High Speed Steel ◽  
Steel Powder ◽  
Sintering Atmosphere ◽  
Temperature Range ◽  
Waste Rubber ◽  
Vacuum Atmosphere ◽  
M2 High Speed Steel

This paper reports on the compatibility of waste rubber as binder for M2 High Speed Steel injection moulding. The feedstock was prepared at a powder loading of 65 vol.% using 22μm M2 High Speed Steel powder and the binders consisting of 55wt.% paraffin wax, 21wt.% polyethylene, 14wt.% waste rubber and 10wt.% stearic acid. The specimens were then sintered in vacuum and 95%N2/5%H2 atmosphere. The sintering in vacuum atmosphere occurred within a temperature range from1200°C to 1260°C, whilst the 95%N2/5%H2 atmosphere was carried out within a temperature range from 1220°C to 1300°C. The effects of the sintering atmosphere and temperature on the physical properties, mechanical properties and microstructure were investigated.

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