Understandings of higher education curriculum in Vietnam

The Vietnamese higher education context is characterised by state control including the state’s development of curriculum frameworks and materials. Institutional autonomy has been ratified by the government, however, in practice universities seem to have little control over curriculum. In order for universities to develop more ownership of curriculum, it is necessary to explore the foundational understandings of curriculum held by stakeholders. Thus, this paper explores the understandings of curriculum expressed by a group of senior staff, academics and students at a Vietnamese university. We found a diversity of understandings that tended to be product-focused, teacher-focused and textbook-driven. We propose that our findings can be used as a starting point for developing more innovative and student-focused understandings of curriculum.

Experimental studies on comparison of microwave curing and thermal curing of epoxy resins used for alternative mould materials

In this present work attempts have been made to study the glass transition temperature of alternative mould materials by using both microwave heating and conventional oven heating. In this present work three epoxy resins, namely R2512, R2515 and R2516, which are commonly used for making injection moulds have been used in combination with two hardeners H2403 and H2409. The magnetron microwave generator used in this research is operating at a frequency of 2.45 GHz with a hollow rectangular waveguide. In order to distinguish the effects between the microwave and conventional heating, a number of experiments were performed to test their mechanical properties such as tensile and flexural strengths. Additionally, differential scanning calorimeter technique was implemented to measure the glass transition temperature on both microwave and conventional heating. This study provided necessary evidences to establish that microwave heated mould materials resulted with higher glass transition temperature than the conventional heating. Finally, attempts were also made to study the microstructure of microwave-cured materials by using a scanning electron microscope in order to analyze the morphology of cured specimens.