Two different nitriding techniques, named plasma nitriding and fluidized bed nitriding, were applied for surface modification of ductile cast iron NAAMS-D6... Z Chen,J Zhang,X Nie - 《Tribology Online》 被引量: 0发表: 2018年 Tribological behaviour of plasma nitrided cast iron D6510 and cast ...
As early as 1890 Charles New bolt of New Jersey had been working on the idea of a cast-iron plow and spent his entire fortune in introducing his invention. The farmers, however, would home none of it, claiming that the iron poisoned the soil and made the weeds grow. Nevertheless, many...