Results 111 to 120 of about 10,449 (255)

Additive Manufacturing of Hot‐Work Tool Steel by In Situ Alloying Using Laser Powder Bed Fusion and Directed Energy Deposition—Strategies to Improve Chemical Homogeneity

steel research international, EarlyView.
To support future alloy development a powder mixture is processed by laser additive manufacturing. The powder mixture containing Mo‐ and W‐rich tracers is processed by powder bed fusion using single and double laser exposure and by directed energy deposition which provides drastically enlarged melt pools.
Felix Großwendt, Sebastian Weber, Jonathan Lentz   +2 more
wiley   +1 more source

In Situ Alloying of H13 Tool Steel With TiC via PBF‐LB/M

steel research international, EarlyView.
H13 tool steel is in situ alloyed with titanium carbides (TiC) in amounts up to 30 wt.%. This approach offers the advantage that the carbides melt only partially during processing, preventing excessive carbon enrichment of the steel matrix. The resulting microstructure consists of coarse, undissolved and fine, reprecipitated carbides, leading to grain ...
Oliver Bürgi, Anke Kaletsch, Christoph Broeckmann   +2 more
wiley   +1 more source

Microstructure, Defects, and Fatigue Response of High‐Strength Tool Steels

steel research international, EarlyView.
The martensitic tool steel family is designed for use in various working environments where they are subjected to repeatedly high mechanical loads. Despite the continuous upgrade of material´s microstructures through compositional development or processing techniques, defects remain a critical factor for the tool performance by leading to fatigue ...
Katerina Chantziara, Jens Bergström, Dimitrios Nikas, Mikael Thomas Grehk   +3 more
wiley   +1 more source

High-Temperature Mechanical Characterization of CeO₂ as a Ceramic Surrogate Fuel Based on FIB and Nanoindentation. [PDF]

Materials (Basel)
Si J, Xu J, He S, Xie D, Dong C, Zhu P, Qiu R.   +6 more
europepmc   +1 more source

Microstructure Characterization of Bending Effects in 304L Stainless Steel Cladded with Low‐Alloy Steel Weld

steel research international, EarlyView.
Prebending of 304L/Q345R cladded plates significantly alters the subsequent weld thermal cycle and modifies the local interfacial microstructure. Combined electron backscatter diffraction (EBSD) and microscopy analysis demonstrates that deformation twinning, martensitic transformation, and defect initiation are concentrated at the trimaterial junction,
Ali Fahem, Elsiddig Elmukashfi, Hong Dong   +2 more
wiley   +1 more source

The Influence of Mechanical and Microstructural Characteristics on the Durability of a Femoral Implant Made of Different Alloys. [PDF]

J Funct Biomater
Panfilov I, Sadyrin E, Nikolaev A, Antipov P, Vasiliev A, Vilkovyskiy I, Pantiulin A, Ananova O, Meskhi B.   +8 more
europepmc   +1 more source

Tailoring Microstructure and Hardness in Maraging 300 Steel via 2.4 wt.% Niobium Addition and Controlled Aging Treatments

steel research international, EarlyView.
High Nb (2.4 wt.%) addition to Maraging 300 steel drives lattice distortion and nanoscale Nb–Mo‐rich precipitation, confirmed by energy‐dispersive X‐ray spectroscopy mapping (Mo ~5.4 wt.%, Nb ~2.5 wt.%). Nanoindentation reveals strong matrix hardening (H >4.8 GPa) at 480°C aging, while 560°C induces ~1.92 vol.% reverted austenite, enabling tunable ...
Laylla Sharon B. Peixoto, Mohammad Masoumi, Luís Henrique N. de Lima, Marcos Natan da Silva Lima, Luis Flávio Gaspar Herculano, Isabel Ferreira de Barros, Geronimo Perez, Maria Vittoria Moraschini Reis, Hamilton Ferreira Gome Abreu, Marcelo J. Gomes da Silva   +9 more
wiley   +1 more source

Atomic Step-Terrace Ordering Enables Unprecedentedly Low Pop-in Stress Scatter in GaN (0001). [PDF]

Small
Oguri H, Li Y, Osaka AI, Hara R, Kinoshita R, Toh D, Hattori AN, Tochigi E, Nakamura A.   +8 more
europepmc   +1 more source

Preparation of Hydrophilic Polysilsesquioxanes and Their Applications as Water Separation and Antifogging Coating Materials

The Chemical Record, EarlyView.
Hydrophilic substituents were introduced onto the silicon atoms of random polysilsesquioxanes (PSQs) to improve water permeability and absorptivity for exploring the applications of PSQ materials as heat‐ and chlorine‐resistant water desalination reverse osmosis (RO) membranes and scratch‐resistant antifogging coating materials.
Takashi Hamada, Yohei Adachi, Joji Ohshita   +2 more
wiley   +1 more source

A Comprehensive Experimental and Finite Element Analysis Study on the Bonding Strength Evaluation of Wafer-to-Wafer Hybrid Bonding with Polyimide Film Dielectrics. [PDF]

Micromachines (Basel)
Mei C, Zheng T, Ding Z, Zhang D, Xu Y, Zhao H, Chang L, Hu Q, Xia C, Liu S, Li L.   +10 more
europepmc   +1 more source