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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract:

The elastic modulus of a deposit (Ed) can be obtained by monitoring the temperaturethe results is verified by comparing the present results with Stony Brook University Laboratory’s

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Advanced cement based nanocomposites reinforced with MWCNTs and CNFs

GDOUTOS,Maria S. KONSTA-GDOUTOS,Panagiotis A. DANOGLIDIS,Surendra P. SHAH

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 142-149 doi: 10.1007/s11709-016-0342-1

Abstract: Mechanical and fracture properties including flexural strength, Young’s modulus, flexural and fractureexhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young’s modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%

Keywords： multi-walled carbon nanotubes     carbon nanofibers     mortars     toughness     Young’s modulus    

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Insight into the role of cholesterol in modulation of morphology and mechanical properties of CHO-K1 cells: An in situ AFM study

Lei Zhang, Lisha Zhao, Ping-Kai Ouyang, Pu Chen

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 98-107 doi: 10.1007/s11705-018-1775-y

Abstract: Increased methyl-β-cyclodextrin levels and incubation time could significantly increase Young’s modulus and degree of stiffing on cell membrane and cytoskeleton.

Keywords： cholesterol     methyl-β-cyclodextrin     atomic force microscopy     Young’s modulus     CHO-K1 cell    

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Thermal and Mechanical Properties Optimization of ABO4 Type EuNbO4 By the B-Site Substitution of Ta Article

Lin Chen, Jing Feng

Engineering 2020, Volume 6, Issue 2,   Pages 177-184 doi: 10.1016/j.eng.2019.12.006

Abstract: The Young's modulus and the thermal expansion coefficient (TEC) of EuNbO4 are effectively

Keywords： coatings     Rare earth niobates     Substitution     Thermal conductivity     Thermal expansion coefficients     Young’s modulus    

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Plated contacts for solar cells with superior adhesion strength to screen printed solar cells

CHEN,S. WANG,A. WENHAM,Z. SHI,T. YOUNG,J. JI,M. EDWARDS,A. SUGIANTO,L. MAI,S. WENHAM,C. CHONG

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 72-77 doi: 10.1007/s11708-016-0428-4

Abstract: The improvement of adhesion strength and durability of plated contacts is required for cell manufacturers to gain confidence for large-scale manufacturing. To overcome weak adhesion at the metal/Si interface, new approaches were developed. These involve the formation of laser-ablated anchor points, or grooves in the extreme case of overlapping anchor points, in the heavily doped silicon surface. When plated, these features greatly strengthen the mechanical adhesion strength of the metal. A stylus-based adhesion tester was developed specifically for evaluating the effectiveness of plated contacts to smooth silicon surfaces. The use of such a tester was also extended in this work to textured and roughened surfaces to allow evaluation of different metal contacting approaches. The adhesion strengths for various metal contacting schemes were evaluated, including screen-printed silver contacts, nickel/copper (Ni/Cu) light-induced plated (LIP) contacts for laser-doped selective emitter (LDSE) cells, buried-contact solar cells (BCSCs), and Ni/Cu LIP contacts formed with laser-ablated anchoring points in selective emitter (LAASE) cells. The latter has superior adhesion strength. The standard “peel test” of the industry was compared to the stylus-based adhesion testing, with the latter shown value for testing metal contacts on smooth surfaces but with caution needed for use with textured or roughened surfaces.

Keywords： light-induced plating     metal adhesion strength     copper plating     metal contacts     solar cell durability     silicon solar cells    

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Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 270-281 doi: 10.1007/s11709-014-0265-7

Abstract: , air content, unit weight, compressive strength, flexural strength, splitting tensile strength and modulusreduction factors (RFs) for compressive strength, flexural strength, splitting tensile strength and modulus

Keywords： crumb rubber     recycled tire     mix design     reduction factor     strength     modulus elasticity    

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Empirical models and design codes in prediction of modulus of elasticity of concrete

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 38-48 doi: 10.1007/s11709-018-0479-1

Abstract: Modulus of Elasticity (MOE) is a key parameter in reinforced concrete design.

Keywords： modulus of elasticity     normal strength normal weight concrete     empirical models     design codes     compressive    

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Preliminary experimental study of a supercritical CO

Junhyun CHO, Hyungki SHIN, Jongjae CHO, Young-Seok KANG, Ho-Sang RA, Chulwoo ROH, Beomjoon LEE, GilbongLEE, Byunghui KIM, Young-Jin BAIK

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 452-460 doi: 10.1007/s11708-017-0504-4

Abstract: Research on applying a supercritical carbon dioxide power cycle (S-CO ) to concentrating solar powerAn S-CO system is suitable for CSP owing to its compactness, higher efficiency, and dry-cooling capabilityAt the Korea Institute of Energy Research (KIER), to implement an S-CO system, a 10 kWe class test loopTo solve the technical bottleneck of S-CO turbomachinery, a partial admission nozzle and oil-lubricationTo experience the closed-power cycle and develop an operational strategy of S-CO operated at high pressure

Keywords： supercritical CO2     power cycle     turbomachinery     compressor     turbine    

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The 2022 Young Talent Award Winners

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1597-5

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The Consolidation of Highly Saturated Soils and Saturation Degree's Influence

Jin Zhigao

Strategic Study of CAE 2004, Volume 6, Issue 9,   Pages 73-76

Abstract:

Based on Terzaghi's consolidation theories and Biot's consolidation theories, the consolidating

Keywords： consolidation     saturated degree     elasticity modulus     compressing    

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An improved design method to predict the E-modulus and strength of FRP composites at different temperatures

Mohammed FARUQI, Gobishanker RAJASKANTHAN, Breanna BAILEY, Francisco AGUINIGA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1653-1653 doi: 10.1007/s11709-019-0578-7

Abstract: However, the E-modulus and strength of such members at high service temperatures is still unknown.Modulus and strength of FRP at high service temperatures are highly required parameters for full designThus, this paper proposes design methods for calculating the E-modulus and strength of FRP members atIt was found that the proposed design methods conservatively estimate the E-modulus and strength of FRP

Keywords： concrete     fiber reinforced polymer     E-modulus     strength     temperatures    

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Advances of 12th CAPS research symposium: young chemists and chemical engineers fronts

Guoping Hu, Baiqian Dai

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 461-463 doi: 10.1007/s11705-020-2026-6

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Growing collaborations between Chinese and UK young scholars on chemical science and technology

Weiping Wu, Xiaolei Fan, Yongliang Li, Ruijiao Dong

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 1-3 doi: 10.1007/s11705-020-2027-5

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Sorption enhanced catalytic CF

Jae-Yun Han, Chang-Hyun Kim, Boreum Lee, Sung-Chan Nam, Ho-Young Jung, Hankwon Lim, Kwan-Young Lee, Shin-Kun

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 537-544 doi: 10.1007/s11705-017-1651-1

Abstract: In this study, we developed a three-stage catalyst-adsorbent reactor for the catalytic hydrolysis of CF . Each stage is composed of a catalyst bed followed by an adsorbent bed using Ca(OH) to remove HF. The three stages are connected in series to enhance the hydrolysis of CF and eliminate a scrubber to dissolve HF in water at the same time. With a 10 wt-% Ce/Al O catalyst prepared by the incipient wetness method using boehmite and a granular calcium hydroxide as an adsorbent, the CF conversion in our proposed reactor was 7%–23% higher than that in a conventional single-bed catalytic reactor in the temperature range of 923–1023 K. In addition, experimental and numerical simulation (Aspen HYSYS ) results showed a reasonable trend of increased CF conversion with the adsorbent added and these results can be used as a useful design guideline for our newly proposed multistage reactor system.

Keywords： PFCs     catalytic hydrolysis     calcium hydroxide     sorption enhanced     process simulation    

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Comments from young scholars: Can machines completely replace humans in manufacturing processes?

Shanlin YANG

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 541-547 doi: 10.15302/J-FEM-2018207

Abstract:
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Title Author Date Type Operation

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Advanced cement based nanocomposites reinforced with MWCNTs and CNFs

GDOUTOS,Maria S. KONSTA-GDOUTOS,Panagiotis A. DANOGLIDIS,Surendra P. SHAH

Journal Article

Insight into the role of cholesterol in modulation of morphology and mechanical properties of CHO-K1 cells: An in situ AFM study

Lei Zhang, Lisha Zhao, Ping-Kai Ouyang, Pu Chen

Journal Article

Thermal and Mechanical Properties Optimization of ABO4 Type EuNbO4 By the B-Site Substitution of Ta

Lin Chen, Jing Feng

Journal Article

Plated contacts for solar cells with superior adhesion strength to screen printed solar cells

CHEN,S. WANG,A. WENHAM,Z. SHI,T. YOUNG,J. JI,M. EDWARDS,A. SUGIANTO,L. MAI,S. WENHAM,C. CHONG

Journal Article

Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Journal Article

Empirical models and design codes in prediction of modulus of elasticity of concrete

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Preliminary experimental study of a supercritical CO

Junhyun CHO, Hyungki SHIN, Jongjae CHO, Young-Seok KANG, Ho-Sang RA, Chulwoo ROH, Beomjoon LEE, GilbongLEE, Byunghui KIM, Young-Jin BAIK

Journal Article

The 2022 Young Talent Award Winners

Journal Article

The Consolidation of Highly Saturated Soils and Saturation Degree's Influence

Jin Zhigao

Journal Article

An improved design method to predict the E-modulus and strength of FRP composites at different temperatures

Mohammed FARUQI, Gobishanker RAJASKANTHAN, Breanna BAILEY, Francisco AGUINIGA

Journal Article

Advances of 12th CAPS research symposium: young chemists and chemical engineers fronts

Guoping Hu, Baiqian Dai

Journal Article

Growing collaborations between Chinese and UK young scholars on chemical science and technology

Weiping Wu, Xiaolei Fan, Yongliang Li, Ruijiao Dong

Journal Article

Sorption enhanced catalytic CF

Jae-Yun Han, Chang-Hyun Kim, Boreum Lee, Sung-Chan Nam, Ho-Young Jung, Hankwon Lim, Kwan-Young Lee, Shin-Kun

Journal Article

Comments from young scholars: Can machines completely replace humans in manufacturing processes?

Shanlin YANG

Journal Article