Microscale characterization of mechanical properties

KJ Hemker, WN Sharpe Jr - Annu. Rev. Mater. Res., 2007 - annualreviews.org
Lilliputian techniques for measuring the mechanical response of microscale specimens are
being developed to characterize the performance and reliability of microelectromechanical …

In situ thermomechanical testing methods for micro/nano-scale materials

W Kang, M Merrill, JM Wheeler - Nanoscale, 2017 - pubs.rsc.org
The advance of micro/nanotechnology in energy-harvesting, micropower, electronic devices,
and transducers for automobile and aerospace applications has led to the need for accurate …

Microsample tensile testing of nanocrystalline copper

YM Wang, K Wang, D Pan, K Lu, KJ Hemker, E Ma - Scripta Materialia, 2003 - Elsevier
The tensile properties of nanocrystalline copper with grain sizes< 100 nm produced by
surface mechanical attrition treatment have been characterized using a microsample testing …

Evolution of a diffusion aluminide bond coat for thermal barrier coatings during thermal cycling

D Pan, MW Chen, PK Wright, KJ Hemker - Acta Materialia, 2003 - Elsevier
The thermal cyclic durability of a TBC is thought to be strongly dependent on the physical
and mechanical properties of the bond coat layer. A novel high temperature microsample …

Effect of specimen thickness on the creep response of a Ni-based single-crystal superalloy

A Srivastava, S Gopagoni, A Needleman… - Acta Materialia, 2012 - Elsevier
Creep tests on Ni-based single-crystal superalloy sheet specimens typically show greater
creep strain rates and/or reduced strain or time to creep rupture for thinner specimens than …

Measured mechanical properties of LIGA Ni structures

HS Cho, KJ Hemker, K Lian, J Goettert… - Sensors and Actuators A …, 2003 - Elsevier
Room and elevated temperature tensile, creep and high-cycle fatigue properties of
electrodeposited LIGA Ni microsamples have been measured and are being used to predict …

Plasticity size effects in tension and compression of single crystals

VS Deshpande, A Needleman… - Journal of the Mechanics …, 2005 - Elsevier
The effect of size and loading conditions on the tension and compression stress–strain
response of micron-sized planar crystals is investigated using discrete dislocation plasticity …

Characterizing the microstructure and mechanical behavior of a two-phase NiCoCrAlY bond coat for thermal barrier systems

KJ Hemker, BG Mendis, C Eberl - Materials Science and Engineering: A, 2008 - Elsevier
The performance and reliability of thermal barrier systems are greatly affected by the
behavior of their bond coats. Microsample tensile experiments conducted on commercial …

A study of creep in polysilicon MEMS devices

K Tuck, A Jungen, A Geisberger… - J. Eng. Mater …, 2005 - asmedigitalcollection.asme.org
Plastic deformation of polysilicon at high temperatures under stress due to creep has been
demonstrated at the micro scale. This type of material behavior is generally associated with …

An apparatus for performing microtensile tests at elevated temperatures inside a scanning electron microscope

GD Sim, JH Park, MD Uchic, PA Shade, SB Lee… - Acta materialia, 2013 - Elsevier
In this paper, we introduce an apparatus to perform microtensile tests at elevated
temperatures inside a scanning electron microscope. The apparatus has a stroke of 250 μm …