Multiscale Modeling of Additively Manufactured Metals: Application to Laser Powder Bed Fusion Process (Additive Manufacturing Materials and Technologies)

Engineering & Transportation

Zhang, Yi

Zhang, Jing

Jung, Yeon-Gil

Engineering

Elsevier

Quantum-Inspired Neural Language Representation, Matching and Understanding (Foundations and Trends(r) in Information Retrieval)

Computers & Technology

Zhang, Peng

Gao, Hui

Computer Science

Now Publishers

Spark Plasma Sintering (SPS) or field activated sintering technique (FAST) is an unconventional and novel powder consolidation process via simultaneous application of special pulsed current and mechanical pressure. SPS or FAST has demonstrated its benefits as a rapid processing avenue, with application to the largest variety of materials - ceramics, metals, polymers, semiconductors - and which results in enhanced final properties. This work covers the physical phenomena, multi-scale analytical and numerical models, experimental studies, and application of FAST processing. Specifically, a coupled thermal-electric-densification framework for the design and optimization of FAST type processing has been proposed and implemented into a finite element package. A discrete finite element method is also developed to determine the effective thermal conductivity in a particulate system with realistic microstructure. Finally, FAST simulation of a hip joint replacement has been conducted.

Modeling of Thermoelectric Phenomena in Spark Plasma Sintering: A Multiscale Approach

Science & Math

Physics

VDM Verlag Dr. Müller

This research explored and examined how web-based distance education (WBDE) influenced adult learners then to learn about challenges and potential barriers of WBDE programs. Many studies have done on traditional distance education, but little research has done on WBDE for adult learners. WBDE has the goal to provide socio-technical innovations for E-learning practices, regarding individuals and organizations, independence of time, place and pace. These discussions and conclusions in this research explored the adult learner's perspectives and practices on WBDE; the barriers and challenges of WBDE were investigated, the recommendation were given; adult learners' suggestion and expectation on WBDE were concluded. In this research, a new term E-andragogy is created and defined. E-andragogy is a field of education that focuses on the adult online learners' technology, pedagogy, andragogy, epistemology, and instructional systems design that aim to deliver education to adult learners who are not physically "on site". E-andragogy involves the use of a computer and internet in some ways to provide educational learning environment and material.

E-ANDRAGOGY AND E-LEARNING: EXPLORING ADULT LEARNERS' PERSPECTIVES AND PRACTICES OF WEB-BASED DISTANCE EDUCATION

Education & Teaching

Higher & Continuing Education

This book reports on the latest advances in concepts and further development of principal component analysis (PCA), discussing in detail a number of open problems related to dimensional reduction techniques and their extensions. It brings together research findings, previously scattered throughout many scientific journal papers worldwide, and presents them in a methodologically unified form. Offering vital insights into the subject matter in self-contained chapters that balance the theory and concrete applications, and focusing on open problems, it is essential reading for all researchers and practitioners with an interest in PCA

Force Control Theory and Method of Human Load Carrying Exoskeleton Suit

Yang, Zhiyong

Gu, Wenjin

Gui, Lihua

Springer

The field activated sintering technique (FAST) is a powder consolidation process via the application of pulsed current and pressure. Compared with conventional hot pressing and hot isostatic pressing, FAST has demonstrated a rapid densification process that has the potential to minimize grain growth, which is crucial to achieving excellent physical properties. This work covers the physical phenomena, multi-scale analytical and numerical models, experimental studies, and application of FAST processing. Specifically, a coupled thermal-electric-densification framework for the design and optimization of FAST type processing has been proposed and implemented into a finite element package. A discrete finite element method is also developed to determine the effective thermal conductivity in a particulate system with realistic microstructure. Moreover, FAST simulation of a hip joint replacement is demonstrated.

Field Activated Sintering Technology: Multi-physics Phenomena Modeling: A Coupled Thermal-electrical-densification Framework

LAP LAMBERT Academic Publishing

National practitioner qualification examination counseling books recommended: Integrative Medicine physician assistants practicing over the years the test sites for fine (third edition 2015)(Chinese Edition)

People's Medical Publishing House

Hut Poor Scholar(Chinese Edition)

Hua Ling Press

Happy Kitchen: I love homemade staple(Chinese Edition)

Beijing science and Technology Press

Simple language, concise formulas and sample sentences are used to explain the questionable and difficult grammar points encountered by foreign students during their study. As for the different grammatical items, there are plenty of related exercises for the students to practice. Detailed answers and explanations to the exercises are given.

Practising HSK Grammar (Chinese and English Edition)

Politics & Social Sciences

Social Sciences

Sinolingua

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Books by Zhang, Jing