Publications

Displaying 1 - 10 of 10

Shoulder fillet effects in strength distributions of MEMS components

November 6, 2020

Author(s)

Frank W. DelRio, Brad L. Boyce, Jake T. Benzing, Lawrence H. Friedman, Robert F. Cook

The failure forces and fracture strengths of polysilicon MEMS components in the form of stepped tensile bars with shoulder fillets were measured using a

Effect of Notch Geometry and Lack-of-Fusion on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

July 28, 2020

Author(s)

Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe

A comparison between fatigue precracked and sharp-notched Charpy-type fracture toughness specimens is presented for characterizing the elastic-plastic fracture

Effects of laser-energy density and build orientation on the defect structure, microstructure and tensile properties of Inconel 718 parts manufactured with laser powder bed fusion

June 30, 2020

Author(s)

Dillon Watring, Jake T. Benzing, Nikolas W. Hrabe, Ashley Spear

This study investigates the processing-structure-property relationships of Inconel 718 manufactured by laser powder bed fusion. Three di erent build conditions

Small Punch Testing to Estimate Mechanical Properties of Additively Manufactured Ti-6Al-4V

June 18, 2020

Author(s)

Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe

Small Punch (SP) testing is a methodology that uses tiny disks (generally 8 mm in diameter and 0.5 mm thick) to estimate mechanical properties of metallic

Development and Validation of Small Punch Testing at NIST

April 16, 2020

Author(s)

Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe

Small Punch (SP) testing is a methodology that uses tiny disks (generally 8 mm in diameter and 0.5 mm thick) to estimate mechanical properties of metallic

Tracking defects and microstructural heterogeneities in meso-scale tensile specimens excised from additively manufactured parts

January 31, 2020

Author(s)

Jake T. Benzing, Li-Anne Liew, Nikolas W. Hrabe, Frank W. DelRio

The commercialization of additive manufacturing (AM) is underway in the aerospace and biomedical device industries [1, 2]. However, most metal parts produced by

Multiple Changepoint Analysis of Noisy Nonlinear Data with an Application to Modeling Crack Growth in Additively Manufactured Titanium

December 5, 2019

Author(s)

Lucas N. Koepke, Jolene D. Splett, Timothy P. Quinn, Nikolas W. Hrabe, Jake T. Benzing, Michael R. Frey

Noisy measurement data pose a challenge for changepoint analysis, especially in the presence of multiple changepoints and when the model is nonlinear. We

Hot isostatic pressing (HIP) to achieve isotropic microstructure and retain as-built strength in additive manufacturing titanium alloy (Ti-6Al-4V)

September 23, 2019

Author(s)

Jake T. Benzing, Nikolas W. Hrabe, Timothy P. Quinn, Ryan M. White, Ross A. Rentz, Magnus Ahlfors

Hot isostatic pressing (HIP) treatments are used to seal internal porosity because defects exist in as-built Ti-6Al-4V parts produced by electron beam melting

Room Temperature Fracture Toughness Characterization of Additively Manufactured Ti-6Al-4V

September 16, 2019

Author(s)

Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe

The room temperature elastic-plastic fracture toughness of additively manufactured (AM) Ti 6Al- 4V was characterized by means of Elastic Compliance (EC) tests

Experimental and numerical study of multi-phase medium-Mn TWIP-TRIP steel: influences of strain rate and phase constituents

September 15, 2019

Author(s)

William E. Luecke, Y. Liu, Jake T. Benzing, X. Zhang, A. Dutta, D. Ponge, C. Oksay, D. Raabe, J.E. Wittig

The present work investigates the room temperature tensile properties of a Fe-12Mn-3Al-0.05C (weight %) twinning- and transformation-induced plasticity (TWIP

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