Search Results - "Guo, Qilin"

Controlling process instability for defect lean metal additive manufacturing by Qu, Minglei, Guo, Qilin, Escano, Luis I., Nabaa, Ali, Hojjatzadeh, S. Mohammad H., Young, Zachary A., Chen, Lianyi

“…The process instabilities intrinsic to the localized laser-powder bed interaction cause the formation of various defects in laser powder bed fusion (LPBF)…”
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Transient dynamics of powder spattering in laser powder bed fusion additive manufacturing process revealed by in-situ high-speed high-energy x-ray imaging by Guo, Qilin, Zhao, Cang, Escano, Luis I., Young, Zachary, Xiong, Lianghua, Fezzaa, Kamel, Everhart, Wes, Brown, Ben, Sun, Tao, Chen, Lianyi

“…Powder spattering is a major cause of defect formation and quality uncertainty in the laser powder bed fusion (LPBF) additive manufacturing (AM) process. It is…”
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Direct observation of pore formation mechanisms during LPBF additive manufacturing process and high energy density laser welding by Hojjatzadeh, S. Mohammad H., Parab, Niranjan D., Guo, Qilin, Qu, Minglei, Xiong, Lianghua, Zhao, Cang, Escano, Luis I., Fezzaa, Kamel, Everhart, Wes, Sun, Tao, Chen, Lianyi

“…Laser powder bed fusion (LPBF) is a 3D printing technology that can print parts with complex geometries that are unachievable by conventional manufacturing…”
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Pore elimination mechanisms during 3D printing of metals by Hojjatzadeh, S. Mohammad H., Parab, Niranjan D., Yan, Wentao, Guo, Qilin, Xiong, Lianghua, Zhao, Cang, Qu, Minglei, Escano, Luis I., Xiao, Xianghui, Fezzaa, Kamel, Everhart, Wes, Sun, Tao, Chen, Lianyi

“…Laser powder bed fusion (LPBF) is a 3D printing technology that can print metal parts with complex geometries without the design constraints of traditional…”
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Intercalation of Mn in graphene/Cu(111) interface: insights to the electronic and magnetic properties from theory by Guo, Qilin, Dedkov, Yuriy, Voloshina, Elena

“…The effect of Mn intercalation on the atomic, electronic and magnetic structure of the graphene/Cu(111) interface is studied using state-of-the-art density…”
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Bulk-Explosion-Induced Metal Spattering During Laser Processing by Zhao, Cang, Guo, Qilin, Li, Xuxiao, Parab, Niranjan, Fezzaa, Kamel, Tan, Wenda, Chen, Lianyi, Sun, Tao

“…Spattering has been a problem in metal processing involving high-power lasers, like laser welding, machining, and recently, additive manufacturing. Limited by…”
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In-situ full-field mapping of melt flow dynamics in laser metal additive manufacturing by Guo, Qilin, Zhao, Cang, Qu, Minglei, Xiong, Lianghua, Hojjatzadeh, S. Mohammad H., Escano, Luis I., Parab, Niranjan D., Fezzaa, Kamel, Sun, Tao, Chen, Lianyi

“…•Developed the full-field melt flow mapping approach to study melt flow dynamics under additive manufacturing conditions.•Revealed the location-specific flow…”
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Solidification modes during additive manufacturing of steel revealed by high-speed X-ray diffraction by König, Hans-Henrik, Pettersson, Niklas Holländer, Durga, A., Van Petegem, Steven, Grolimund, Daniel, Chuang, Andrew Chihpin, Guo, Qilin, Chen, Lianyi, Oikonomou, Christos, Zhang, Fan, Lindwall, Greta

“…Solidification during fusion-based additive manufacturing (AM) is characterized by high solidification velocities and large thermal gradients, two factors that…”
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Revealing particle-scale powder spreading dynamics in powder-bed-based additive manufacturing process by high-speed x-ray imaging by Escano, Luis I., Parab, Niranjan D., Xiong, Lianghua, Guo, Qilin, Zhao, Cang, Fezzaa, Kamel, Everhart, Wes, Sun, Tao, Chen, Lianyi

“…Powder spreading is a key step in the powder-bed-based additive manufacturing process, which determines the quality of the powder bed and, consequently,…”
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Publisher Correction: Controlling process instability for defect lean metal additive manufacturing by Qu, Minglei, Guo, Qilin, Escano, Luis I., Nabaa, Ali, Hojjatzadeh, S. Mohammad H., Young, Zachary A., Chen, Lianyi

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Adenosine triggers early astrocyte reactivity that provokes microglial responses and drives the pathogenesis of sepsis-associated encephalopathy in mice by Guo, Qilin, Gobbo, Davide, Zhao, Na, Zhang, Hong, Awuku, Nana-Oye, Liu, Qing, Fang, Li-Pao, Gampfer, Tanja M., Meyer, Markus R., Zhao, Renping, Bai, Xianshu, Bian, Shan, Scheller, Anja, Kirchhoff, Frank, Huang, Wenhui

“…Molecular pathways mediating systemic inflammation entering the brain parenchyma to induce sepsis-associated encephalopathy (SAE) remain elusive. Here, we…”
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Mitigating keyhole pore formation by nanoparticles during laser powder bed fusion additive manufacturing by Qu, Minglei, Guo, Qilin, Escano, Luis I., Clark, Samuel J., Fezzaa, Kamel, Chen, Lianyi

“…•Developed a novel approach of using nanoparticles to mitigate keyhole pore.•Identified the underlying mechanisms for keyhole pore mitigation.•Revealed effects…”
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Progenies of NG2 glia: what do we learn from transgenic mouse models ? by Guo, Qilin, Scheller, Anja, Huang, Wenhui

“…In the mammalian central nervous system, nerve-glia antigen 2 (NG2) glia are considered the fourth glial population in addition to astrocytes, oligodendrocytes…”
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Author Correction: Adenosine triggers early astrocyte reactivity that provokes microglial responses and drives the pathogenesis of sepsis-associated encephalopathy in mice by Guo, Qilin, Gobbo, Davide, Zhao, Na, Zhang, Hong, Awuku, Nana-Oye, Liu, Qing, Fang, Li-Pao, Gampfer, Tanja M., Meyer, Markus R., Zhao, Renping, Bai, Xianshu, Bian, Shan, Scheller, Anja, Kirchhoff, Frank, Huang, Wenhui

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Deep-Learning-Based Segmentation of Keyhole in In-Situ X-ray Imaging of Laser Powder Bed Fusion by Dong, William, Lian, Jason, Yan, Chengpo, Zhong, Yiran, Karnati, Sumanth, Guo, Qilin, Chen, Lianyi, Morgan, Dane

“…In laser powder bed fusion processes, keyholes are the gaseous cavities formed where laser interacts with metal, and their morphologies play an important role…”
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Preparation of graphene aerogels and their photothermal adsorption performance on heavy oil by Zhang, Wanqing, Hu, Qisen, Yang, Fan, Shen, Qi, Guo, Qilin, Fan, Mingkan, Liu, Huie, Chen, Shuang, Duan, Yingying, Wang, Jingyi

“…Given that heavy oil has a high viscosity and is difficult to quickly and effectively adsorb and recover, the problem of offshore oil spill cleaning warrants…”
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Effects of Particle Size Distribution with Efficient Packing on Powder Flowability and Selective Laser Melting Process by Young, Zachary, Qu, Minglei, Coday, Meelap Michael, Guo, Qilin, Hojjatzadeh, Seyed Mohammad H, Escano, Luis I, Fezzaa, Kamel, Chen, Lianyi

“…The powder bed-based additive manufacturing (AM) process contains uncertainties in the powder spreading process and powder bed quality, leading to problems in…”
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Correction: Preparation of graphene aerogels and their photothermal adsorption performance on heavy oil by Zhang, Wanqing, Hu, Qisen, Yang, Fan, Shen, Qi, Guo, Qilin, Fan, Mingkan, Liu, Huie, Chen, Shuang, Duan, Yingying, Wang, Jingyi

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Easily prepared graphene-modified melamine sponge and its solar-aided adsorption performance on viscous oil by Fan, Mingkan, Liu, Huie, Guo, Qilin, Zhang, Yingbo, Chen, Shuang, Zhang, Wanqing, Shen, Qi, Dou, Xiangyan

“…Graphene-modified melamine sponges (RGO-MSs) were prepared, as adsorbents with photothermal conversion ability, utilizing solar energy to achieve heavy oil…”
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In-Situ Characterization of Pore Formation Dynamics in Pulsed Wave Laser Powder Bed Fusion by Hojjatzadeh, S. Mohammad H., Guo, Qilin, Parab, Niranjan D., Qu, Minglei, Escano, Luis I., Fezzaa, Kamel, Everhart, Wes, Sun, Tao, Chen, Lianyi

“…Laser powder bed fusion (LPBF) is an additive manufacturing technology with the capability of printing complex metal parts directly from digital models…”
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