Concepedia

John R. Hellmann

JR

Statistics

Publications

18

Citations

819

H-Index

15

Active since

1983

Affiliations

Pennsylvania State University(Current)

American Ceramic Society

University of Bologna

John R. Hellmann is an author at Pennsylvania State University specializing in materials science, engineering, and mechanical engineering.

Top concepts

EngineeringMaterial ScienceMechanical EngineeringMechanics Of MaterialsMechanical PropertiesCeramics MaterialsCeramic PowdersMicrostructureApplied PhysicsPolymer Composites

Publications per year

1983–2014

18

Publications

18

Ceramic foams from preceramic polymers

Paolo Colombo, John R. Hellmann · Materials Research Innovations · 2002 · 179 citations

Materials Science, Direct Foaming, High Temperature Materials +14

Mechanical Properties of Silicon Oxycarbide Ceramic Foams

Paolo Colombo, John R. Hellmann, David L. Shelleman · Journal of the American Ceramic Society · 2001 · 151 citations

Materials Science, Direct Foaming, Engineering +13

Stable and Metastable Phase Relations in the System ZrO <sub>2</sub> ‐CaO

John R. Hellmann, V. S. STUBIČAN · Journal of the American Ceramic Society · 1983 · 93 citations

Biaxial Flexure Strength and Dynamic Fatigue of Soda–Lime–Silica Float Glass

Matthew H. Krohn, John R. Hellmann, David L. Shelleman et al. · Journal of the American Ceramic Society · 2002 · 46 citations

Engineering, Mechanical Engineering, Glass Material +16

Thermal Shock Behavior of Silicon Oxycarbide Foams

Paolo Colombo, John R. Hellmann, David L. Shelleman · Journal of the American Ceramic Society · 2002 · 42 citations

Engineering, Mechanical Engineering, Water Bath +18

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