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1 – 6 of 6This paper aims to use rigorous finite element simulations to investigate the impact of different substrate systems on the warpage behavior of silicon (Si) chips of power modules…
Abstract
Purpose
This paper aims to use rigorous finite element simulations to investigate the impact of different substrate systems on the warpage behavior of silicon (Si) chips of power modules exposed to thermal loading.
Design/methodology/approach
Three common substrate systems: direct copper bonded (DCB), insulated metal substrate (IMS) and printed circuit board (PCB) configurations examined. In addition, three lead-free bonding materials: silver-tin transient liquid phase (TLP), sintered silver (Ag) and sintered copper (Cu). This results in nine assembly configurations. Finite element models of the electronic modules are developed using ANSYS to apply thermal loads from room temperature to 250°C to induce deformations, strains and stresses in the electronic structure. Accordingly, the silicon chip deformations and maximum principal stresses of each assembly configuration are thoroughly examined.
Findings
The results indicate that DCB-based power modules markedly reduce Si die warpage and maximum principal stresses, suggesting enhanced resistance to thermal loads. In contrast, IMS systems exhibit the highest levels of die warpage and out-of-plane deformation. PCB substrates, however, induce the highest maximum principal stress values in the silicon die, potentially leading to accelerated crack initiation and propagation. While the die attach system has a minimal effect on die warpage, the silver-tin TLP bonds generate significantly higher die stresses compared with sintered Ag and sintered Cu, which both result in reduced stresses.
Originality/value
Power electronics exceptionally rely on ceramic-based and polymer-based substrate systems due to their superior thermal conductivity, heat resistance and electrical insulation properties. The strategic selection of substrate structures can significantly enhance the robustness of power. Ultimately, the findings of this research provide valuable insights for the design of highly reliable and efficient power modules subjected to thermal stress.
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Benedict Ogbemudia Imhanrenialena, Wilson Ebhotemhen, Emmanuel Kalu Agbaeze, Nwafor Cletus Eze and Ejike Sebastian Oforkansi
Following the renewed interest to harness the full potential of African female employees in the workplace, this paper aims to explore how patriarchal behaviors relate to career…
Abstract
Purpose
Following the renewed interest to harness the full potential of African female employees in the workplace, this paper aims to explore how patriarchal behaviors relate to career adaptability, subjective career success and job satisfaction among women in Nigerian organizations.
Design/methodology/approach
A structured questionnaire was used in collecting quantitative data from 508 middle-level managers in Nigerian organizations. The hypotheses were tested with structural equation modeling.
Findings
Patriarchal-induced gendered work practices were found to have a significant negative influence on career adaptability among Nigerian career women. Contrary to expectations, patriarchal discrimination was found to have an insignificant negative influence on job satisfaction and subjective career success, suggesting that Nigerian career women still experience significant subjective career success and job satisfaction amid patriarchal practices in the workplace.
Practical implications
For female employees to possess significant career adaptability resources that will enable them to reconstruct their careers to match redesigned job functions in times of innovation in the workplace, organizations should reinvent their human resources (HR) policies that address patriarchal-induced gendered work practices in the workplace.
Originality/value
This current study extends research on how patriarchy affects female employees in African organizations from the traditional research focus of patriarchy and work-life balance relationships to the under-explored area of career experience among women. To the best of the authors’ knowledge, this is the first quantitative research that explores how patriarchy influences career adaptability resources, subjective career success and job satisfaction among Nigerian female employees.
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Shin-pei Fu and Hikaru Komatsu
The current education paradigm is often criticized for fostering human dependence and failing to reduce environmental impacts. This has led researchers to propose alternative…
Abstract
Purpose
The current education paradigm is often criticized for fostering human dependence and failing to reduce environmental impacts. This has led researchers to propose alternative approaches. One alternative approach, place-based education, integrates a specific location’s natural and social context into learning experiences. By deepening students’ connection to their surroundings, place-based environmental education aims to enhance students’ sense of interdependence with a place and their place attachment in cognitive and affective dimensions. While widely practiced, its effectiveness remains largely unevaluated, particularly in the East Asian context. The gap hinders the development of impactful pedagogical approaches for educators.
Design/methodology/approach
The authors examine a river environmental education program located upstream of Taiwan’s capital, offering a valuable case study within the East Asian context. The program’s design is analyzed, and its impact on enhancing students’ place attachment is assessed through a pre- and post-survey approach.
Findings
The results indicate a substantial increase in students’ place attachment following program participation, particularly pronounced among children with limited prior experience with the river. Importantly, this increase is comparable to or exceeds those observed in similar studies from other regions.
Originality/value
The considerable increase in place attachment observed in this program demonstrates its effectiveness in fostering environmental connections, particularly among children with limited prior experience. The magnitude of the increase might be partially attributable to the interdependent orientation of Taiwanese culture. This suggests that place-based education might yield significant positive outcomes in other non-Western countries with strong interdependent cultural orientations.
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Parvaneh Saeidi, Sayyedeh Parisa Saeidi, Sayedeh Parastoo Saeidi, Mercedes Galarraga Carvajal, Hugo Villacrés Endara and Lorenzo Armijos
This study aims to test the effects of enterprise risk management (ERM) on firms’ outcomes and the moderating role of knowledge management (KM) on ERM–firms’ outcomes relationship.
Abstract
Purpose
This study aims to test the effects of enterprise risk management (ERM) on firms’ outcomes and the moderating role of knowledge management (KM) on ERM–firms’ outcomes relationship.
Design/methodology/approach
Data were collected via a questionnaire survey among public listed companies on the principal stock exchange market in Malaysia. A total of 124 questionnaires were received by mail questionnaire. The results were examined through structural equation modelling and partial least squares.
Findings
The outcomes specified that ERM has a positive and noteworthy influence on firms’ outcomes, and KM has a moderating influence on the correlation among ERM and firms’ outcomes.
Research limitations/implications
The qualities, procedures and laws of the Malaysian corporations chosen as the sample firms, as well as their regulations, may not be representative of all other countries. Moreover, this study considered only one variable as a moderator, while there are many variables that different studies can consider as moderator or mediators.
Practical implications
The results of this research imply that employees’ awareness and knowledge of events, opportunities and risk, along with their engagement in the institute’s strategy, are critical for risk management and controlling. For the managers, the results of this research can be helpful to their businesses by identifying the effective KM capability that may enhance their positive outcomes. Managers and organizations can use KM as an instrument to increase ERM effect on firms’ outcomes.
Social implications
KM and ERM are both significant intangible resources that are hard to imitate and are uniquely specified programs, which are important contributors to firm success in the long run. Moreover, the contingency theory of ERM was proved through the results of this study as it was identified in the public companies, that implementation of ERM as a strategic management practice, by organizations along with an effective KM may enhance the achievement of objectives and outcomes.
Originality/value
This study helps to measure ERM comprehensively and how intangible assets such as KM can affect the comprehensive risk management process and its effectiveness.
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Joakim Hans Kembro and Andreas Norrman
As the warehouse is increasingly viewed as a strategic component, retailers’ willingness to invest in automated warehouse systems (AWS) has increased. These investment decisions…
Abstract
Purpose
As the warehouse is increasingly viewed as a strategic component, retailers’ willingness to invest in automated warehouse systems (AWS) has increased. These investment decisions are influenced by well-known operational factors, but strategic factors, which have received limited attention in warehousing literature, also play a pivotal role. Addressing this gap, this study investigates how strategic factors influence AWS investment decisions in retail.
Design/methodology/approach
Based on a theoretical foundation of technology adoption, strategic intent, and automation strategy, an abductive multiple case study is conducted with eight purposefully selected retailers that had implemented or were in the process of implementing a large AWS.
Findings
The study ranks 10 competitive priorities and 21 AWS evaluation aspects and shows how the firm’s strategic intent and the AWS investment decisions can be connected via the formulation of a warehouse automation strategy. The findings reveal the content for such a strategy – including 7 categories and 17 considerations – related to, for example, technology innovativeness, efficiency versus adaptiveness, technology-supplier relationships, control and ownership, and risk exposure. The study empirically shows how manager characteristics and owner strategies influence retailers’ AWS investment decisions. Four strategic intent profiles are abductively developed: reliability and delivery service; profitable deliveries; scalable logistics for volume growth; and platform building for logistics services. The study also provides evidence of a reciprocal relationship between strategic intent and AWS investment decisions.
Research limitations/implications
The study is conducted with a limited number of Swedish retailers, indicating a need for additional studies to test the findings across different contexts.
Practical implications
The study offers a framework for formulating a warehouse automation strategy. As a foundation for developing the framework, the study shares empirical insights from retailers in the forefront of AWS implementation.
Originality/value
The study contributes as a conversation changer by showing the importance of shifting from a tactical-operational focus to a strategic perspective on warehouse configuration in general and on AWS investment decisions in retail in particular.
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Komal Shamim and Muhammad Azam
The present research examines an underlying mechanism outlining how features of the influencers’ content influence the consumers’ urge to buy impulsively through the mediation of…
Abstract
Purpose
The present research examines an underlying mechanism outlining how features of the influencers’ content influence the consumers’ urge to buy impulsively through the mediation of trust. Moreover, the moderating role of persuasion knowledge is also investigated in this study.
Design/methodology/approach
By employing persuasion theory and social capital theory, this study develops a framework that is tested on 251 social media users. The PLS-SEM modeling technique is employed for data analysis.
Findings
Results indicate that vicarious expressions and informational value are the two main characteristics of the influencer’s content, which develop trust in influencers’ posts and instigate an UBI. In addition, trust in influencer posts serves as a mediator between content characteristics and UBI. However, no moderating role of persuasion knowledge was found.
Originality/value
The present study offers an inclusive understanding of how marketers can strategically use influencers by leveraging the influential power of their content.
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