Comparison of shale fracture toughness obtained from scratch test and nanoindentation test

K Liu, Z Jin, N Zakharova, L Zeng… - International Journal of …, 2023 - Elsevier
Fracture toughness is an important parameter in the hydraulic fracturing design, which is the
major tool in the development of unconventional resources. Laboratory techniques for …

In situ and offline mapping analyses of fatigue behavior in carbon-fiber-reinforced polymers by small-and wide-angle X-ray scattering

M Todaka, K Obayashi, R Kawatoko… - Journal of Composite …, 2023 - journals.sagepub.com
Although carbon-fiber-reinforced polymers (CFRPs) have excellent mechanical properties
and are considered sustainable, an improved understanding of the fatigue behavior of these …

Dynamics of matrix-free nanocomposites consisting of block copolymer-grafted silica nanoparticles under elongation evaluated through X-ray photon correlation …

CH Cheng, K Kamitani, S Masuda, K Uno… - polymer, 2021 - Elsevier
X-ray photon correlation spectroscopy (XPCS) is a powerful tool for investigating the
dynamics of polymer nanocomposites. In this study, XPCS was utilized to analyze the …

Investigation on difference and correlation of scratch fracture toughness affected by shale scale effect

L Yang, Z Han, M He, F Gong, Z Liu - Engineering Fracture Mechanics, 2025 - Elsevier
Due to the high degree of lamination development in shale, traditional experimental
methods face difficulties in comprehensively revealing its mechanical properties. Therefore …

Comparing polarized Raman spectroscopy and birefringence as probes of molecular scale alignment in 3D printed thermoplastics

NM Hassan, KB Migler, AR Hight Walker, AP Kotula… - MRS …, 2021 - Springer
Polymer chain orientation is crucial to understanding the polymer dynamics at interfaces
formed during thermoplastic material extrusion additive manufacturing. The flow field and …

Accelerating imaging frequency in high-speed polarization imaging through data modeling

A Timofeeva, MRE Ul Shougat, M Pankow… - Optical …, 2024 - spiedigitallibrary.org
We develop a new processing algorithm for the analysis of high-speed quantitative
polarized light microscopy measurements. The measurements are obtained using a high …

Scratch and multi-pass scratch behavior of poly (methyl methacrylate)(PMMA)

P Özzaim, OB Korkusuz, S Fidan… - International Journal of …, 2022 - Taylor & Francis
Polymer materials with high specific strength properties are widely used in engineering
applications. Poly (methyl methacrylate)(PMMA) is a rigid and brittle thermoplastic with a …

Raman spectroscopy coupled with tribology to study polymer scratches

E Tolosa - 2023 - upcommons.upc.edu
Nowadays, polymeric materials are of great importance in almost all aspects of life.
Polymers have gained popularity due to their improved properties and expanded areas of …

Ductile Scratch Damage Behavior of Fdm-Printed Brittle Polylactic Acid with Stripe Texture Structures

Z Zhu, C Li, Z Wang, Q Cheng, H Jiang - Available at SSRN 5111754 - papers.ssrn.com
Scratch damage of FDM-printed PLA stripe texture structure was systematically analyzed to
comprehensively understand its underlying mechanisms. It's revealed that the stripe texture …

多様な力学試験とその場マルチスケール構造解析を駆使した高分子材料の構造・物性制御

小椎尾謙 - 日本ゴム協会誌, 2023 - jstage.jst.go.jp
抄録 The goal of our research group is to understand fundamental structure and properties
of polymer materials and to develop new ones. We deal with versatile polymer materials …