Enhancing the shredder durability for biomass preprocessing by utilizing wear-resistant cutter materials

Grejtak, Tomas; Kuns, Miranda W.; Lacey, Jeffrey A.; Ajayi, Oyelayo O.; Fenske, George; Blau, Peter J.; Qu, Jun

doi:10.1016/j.triboint.2025.110766

Enhancing the shredder durability for biomass preprocessing by utilizing wear-resistant cutter materials

Journal Article · Fri May 02 00:00:00 EDT 2025 · Tribology International

DOI:https://doi.org/10.1016/j.triboint.2025.110766· OSTI ID:2573447

^[1]; Kuns, Miranda W. ^[2]; Lacey, Jeffrey A. ^[2]; Ajayi, Oyelayo O. ^[3]; Fenske, George ^[3]; Blau, Peter J. ^[4]; ^[1]

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Argonne National Laboratory (ANL), Argonne, IL (United States)
Blau Tribology Consulting, Candler, NC (United States)

Shredders are widely used to reduce biomass feedstock size through the shearing action of the cutter teeth that are susceptible to wear. A series of wear tests using a custom-built shredder was conducted on corn stover feedstock with three cutter materials: a conventional D2 tool steel, iron boriding as a candidate surface treatment, and M42 tool steel as a candidate alloy. Wear tests showed that the iron borided D2 steel significantly increased the tool life compared with the non-treated D2 and M42. Although the M42 cutters initially exhibited less wear than the D2 cutters, the benefit faded as preprocessing progressed. The experimental results demonstrated that the durability of shredder cutters can be substantially improved by applying more wear-resistant tool materials.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO)

Grant/Contract Number:: AC07-05ID14517; AC02-06CH11357; AC05-00OR22725

OSTI ID:: 2573447

Journal Information:: Tribology International, Journal Name: Tribology International Vol. 210; ISSN 0301-679X

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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