What is your wear plate IQ? Does greater Hardness
Transcription
What is your wear plate IQ? Does greater Hardness
What is your wear plate IQ? Does greater Hardness mean longer wear life? Greater hardness does not always mean greater abrasion resistance or longer wear life. Several alloys may have the same hardness rating but vary greatly in their ability to withstand abrasive wear. For example, Arcoplate surfacing alloy derives its high abrasion resistance from very hard carbides dispersed throughout a softer, tougher matrix. Bulk hardness tests (Rockwell or Brinell) measure the average hardness of both the carbide and matrix together. As these tests are conducted over a relatively large area, results often show the same hardness rating as other conventional metals. However, in actual performance, a carbide-containing surfacing alloy has a substantially better abrasive wear resistance. When equally comparing several surfacing alloys with each other, high bulk hardness ratings are not the only factor assuring resistance to wear. Resistance to low and high-stress abrasion depends on a combination of both hardness and the metallurgical microstructure of the alloy. The microstructures of alloys vary according to the ratio of carbides to matrix and the type of carbides in the alloy. The alloy with the hardest and most evenly dispersed carbides, along with the highest percentage of carbides, will have the best resistance to low-stress and high-stress abrasion. Find out more about the associated benefits of Arcoplate’s unique microstructure at Alloysteel.net To learn more visit us at Alloysteel.net Email [email protected] Call us +61 8 924 83 188