Wenxin Zhu

Target enrichment long-range sequencing (TLES) reveals structural variations missed by PEM-seq

Shuhui Yu, Yueqiang Wang, Wenxin Zhu, Biao Wang et autres

Abstract Introduction: Genome editing technologies, such as clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9), are widely used to engineer universal allogeneic chimeric antigen receptor T (UCAR-T) cells by disrupting genes that cause immune rejection. While these approaches enable powerful …

Effect of castor oil with different saturations on the stability and biosafety of AmB microemulsions: based on micellization thermodynamics

Wenxin Zhu, Rong Ying Huang, Lingbo Liu, Hongchun Pan et autres

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Twin and dislocation induced grain subdivision and strengthening in laser shock peened Ti

Xuan Huang, Wenxin Zhu, Kai Chen, Ramasubramanian Lakshmi Narayan et autres

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Rafting‐Enabled Recovery Avoids Recrystallization in 3D‐Printing‐Repaired Single‐Crystal Superalloys

Kai Chen, Runqiu Huang, Yao Li, Sicong Lin et autres

The repair of damaged Ni-based superalloy single-crystal turbine blades has been a long-standing challenge. Additive manufacturing by an electron beam is promising to this end, but there is a formidable obstacle: either the residual stress and γ/γ ' microstructure in the single-crystalline …

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Thermal stability of laser shock peening processed Ni-based superalloy DZ17G

Guangni Zhou, Hao Shen, Wenxin Zhu, Nobumichi Tamura et autres

Abstract Ni-based superalloys are widely used in challenging environments due to their exceptional mechanical properties. To enhance their resistance to damage, surface modification by laser shock pinning (LSP) is an approach to improve performance of superalloys. Considering that superalloys are typically used …

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Contrastive Studies between Laser Repairing and Plasma Arc Repairing on Single-Crystal Ni-Based Superalloy

Cheng Wang, Qiuliang Li, Xin Zhou, Wenxin Zhu et autres

Laser repairing and plasma arc repairing experiments on the single-crystal Ni-based superalloy DD407(Ni-7.82Cr-5.34Co-2.25Mo-4.88W-6.02Al-1.94Ti-3.49Ta in wt.%) were carried out in this paper, and the differences in microstructures and mechanical properties varying with depth between the two repairing methods were studied. Comparing the two …

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Quantitative Scanning Laue Diffraction Microscopy: Application to the Study of 3D Printed Nickel-Based Superalloys

Guangni Zhou, Jiawei Kou, Yao Li, Wenxin Zhu et autres

Progress in computing speed and algorithm efficiency together with advances in area detector and X-ray optics technologies have transformed the technique of synchrotron radiation-based scanning Laue X-ray microdiffraction. It has now evolved into a near real-time quantitative imaging tool for material structure …

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Hardness and microstructural inhomogeneity at the epitaxial interface of laser 3D-printed Ni-based superalloy

Dan Qian, Anfeng Zhang, Jianxue Zhu, Yao Li et autres

In this letter, microstructural and mechanical inhomogeneities, a great concern for single crystal Ni-based superalloys repaired by laser assisted 3D printing, have been probed near the epitaxial interface. Nanoindentation tests show the hardness to be uniformly lower in the bulk of the …

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Real-time microstructure imaging by Laue microdiffraction: A sample application in laser 3D printed Ni-based superalloys

Guangni Zhou, Wenxin Zhu, Hao Shen, Yao Li et autres

Synchrotron-based Laue microdiffraction has been widely applied to characterize the local crystal structure, orientation, and defects of inhomogeneous polycrystalline solids by raster scanning them under a micro/nano focused polychromatic X-ray probe. In a typical experiment, a large number of Laue diffraction patterns …

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In situ synchrotron study of electromigration induced grain rotations in Sn solder joints

Hao Shen, Wenxin Zhu, Yao Li, Nobumichi Tamura et autres

Here we report an in situ study of the early stage of microstructure evolution induced by electromigration in a Pb-free β-Sn based solder joint by synchrotron polychromatic X-ray microdiffraction. With this technique, crystal orientation evolution is monitored at intragranular levels with high …

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Electrical Properties of MWNTs/Fe_3Al Intermetallic Matrix Composites

Pang Lai-xue, Dejin Xing, Aiqin Zhang, Wenxin Zhu et autres

MWNTs/Fe3Al intermetallic matrix composites with different compositions were fabricated by hot-pressing sintering and spark plasma sintering.The transmission electron microscopy was used to observe the microstructure of composites,and the electrical resistivity was measured using multimicro-omher.The electrical properties of the composites were analyzed.The results …

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