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Article
Open Accessp-wave superconductivity in iron-based superconductors
The possibility of p-wave pairing in superconductors has been proposed more than five decades ago, but has not yet been convincingly demonstrated. One difficulty is that some p-wave states are thermodynamically i...
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Article
Mechanical and fracture behaviour of the three-scale hierarchy structure in As-deposited and annealed nanocrystalline electrodeposited Ni–Fe alloys
The growing interest in nanocrystalline (nc) materials is driven by their outstanding combination of mechanical and functional properties. Electrodeposited nc Ni–Fe alloys have received considerable attention,...
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Article
Vortex glass-liquid transition and activated flux motion in an epitaxial, superconducting NdFeAs(O,F) thin film
An epitaxial NdFeAs(O,F) thin film of 90 nm thickness grown by molecular beam epitaxy on MgO single crystal with Tc = 44.2 K has been investigated regarding a possible vortex glass-liquid transition. The voltage-...
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Article
Open AccessIn situ heating TEM observations on carbide formation and α-Fe recrystallization in twinned martensite
The microstructural evolution of twinned martensite in water-quenched Fe–1.6 C (wt.%) alloys upon in situ heating was investigated using transmission electron microscopy (TEM). In the as-quenched samples, a high ...
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Article
Open AccessLath formation mechanisms and twinning as lath martensite substructures in an ultra low-carbon iron alloy
Lath martensite is the dominant microstructural feature in quenched low-carbon Fe-C alloys. Its formation mechanism is not clear, despite extensive research. The microstructure of an Fe-0.05 C (wt.%) alloy wat...
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Article
Electron diffraction analysis of quenched Fe–C martensite
Martensite has a body-centered tetragonal (bct) structure in high carbon steels. However, body-centered cubic (bcc) {112} 〈111〉-type twins instead of bct twins always be observed as the substructure of martens...
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Article
Application of Radio Frequency Glow Discharge Sputtering for Nanoindentation Sample Preparation
The applicability of radio frequency glow discharge (rf-GD) sputtering to the surface finishing of nanoindentation specimens was examined for pure Al, Cu, and Ni. Comparisons were made between specimens that h...
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Article
Renoprotective effects of telmisartan on renal injury in obese Zucker rats
The purpose of the present study was to investigate the renoprotective effect of telmisartan, an angiotensin II receptor antagonist, on the early stages of diabetic nephropathy in obese Zucker rats, which is a...
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Article
Effects of lattice defects on indentation-induced plasticity initiation behavior in metals
Plasticity initiation behavior that appears as a pop-in phenomenon on a loading process during indentation-induced deformation was investigated to reveal the effects of lattice defects such as grain boundary a...
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Article
Open AccessErratum: Frequent epigenetic inactivation of Wnt antagonist genes in breast cancer
Correction to: British Journal of Cancer (2008) 98, 1147–1156. doi:10.1038/sj.bjc.6604259 Owing to an error on the part of the authors, the third author of this paper, H Carraway, was originally submitted and ...
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Article
Open AccessFrequent epigenetic inactivation of Wnt antagonist genes in breast cancer
Although mutation of APC or CTNNB1 (β-catenin) is rare in breast cancer, activation of Wnt signalling is nonetheless thought to play an important role in breast tumorigenesis, and epigenetic silencing of Wnt anta...
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Chapter and Conference Paper
Tragedy of Polyethylene Back Ceramic on Ceramic Articulation
A modular layered acetabular component (Alumina Bearing Surface, Kyocera, Japan) was developed in Japan for use in alumina ceramic on ceramic total hip arthroplasty. In 3933 components implanted between 1998 a...
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Article
Inhomogeneous nano-mechanical properties in the multi-phase microstructure of long-term aged type 316 stainless steel
Microstructure-related local deformation behavior was evaluated using nanoindentation techniques for a type 316 austenitic stainless steel used in energy generation plants. The sample was aged for 39,332 h (4....
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Article
Dislocation-grain boundary interactions in martensitic steel observed through in situ nanoindentation in a transmission electron microscope
Dislocation-interface interactions in Fe-0.4 wt% C tempered martensitic steel were studied through in situ nanoindentation in a transmission electron microscope (TEM). Two types of boundaries were imaged in th...
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Article
Matrix strength evaluation of ultra-fine grained steel by nanoindentation
Nanoindentation was performed to evaluate the matrix strength of the ultra-fine grained steel produced by accumulative roll-bonding and subsequently annealed. The nanohardness, associated with the matrix stren...
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Article
Mechanical characterization of secondary-hardening martensitic steel using nanoindentation
Mechanical characterizations using nanoindentation technique were performed for the martensitic steel used as practical dies steel containing carbide-former elements of Cr, Mo, W, and V, which are responsible ...
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Article
Identification of the region in Escherichia coli DnaA protein required for specific recognition of the DnaA box
DnaA protein binds specifically to a 9-base- pair motif called the DnaA box. Domain IV comprises 94 amino acid residues and is required for DNA binding. Using nuclear magnetic resonance analysis, we investigat...
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Article
Relationship between nanohardness and microstructures in high-purity Fe–C as-quenched and quench-tempered martensite
The relationship between the nanohardness and the microstructures in the Fe–C martensite was studied to understand the contributions of the matrix and the grain boundary to the macroscopic strength. As-quenche...
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Article
Specific Heat Measurement of High Temperature Thermal Insulations by Drop Calorimeter Method
By applying the drop calorimeter method, a specific heat measuring apparatus that can be used in the temperature range from 100 to 1000°C has been developed. It is generally difficult to measure the specific h...
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Article
Estimation of the Mean Thermal Conductivity of Anisotropic Materials
An estimation method of the plane directional thermal conductivity of fibrous insulations using the cyclic heat method and the transient hot-wire method is proposed. By assuming that the thermal conductivity λ ...
