Zhenkuo Ding, Zhipeng Chen and Sheng Huang
This paper aims to examine the impact of top executives’ military experience on the internationalisation process of firms, as well as the boundary conditions of this impact.
Abstract
Purpose
This paper aims to examine the impact of top executives’ military experience on the internationalisation process of firms, as well as the boundary conditions of this impact.
Design/methodology/approach
The hypotheses are tested using 8,759 imbalanced panel samples in 1,718 China’s A-share listed firms.
Findings
The findings show that the military experience of top executives has a positive impact on the internationalisation process (scope, speed and rhythm) of firms. The managerial discretion strengthens the influence of top executives’ military experience on the internationalisation scope and speed but weakens its influence on the internationalisation rhythm.
Originality/value
The study contributes to the literature by testing the relationships that among military experience of top executives, firm internationalisation process and managerial discretion. The authors also help practitioners to become aware of the importance that the military experience of top executives have on firm internationalisation process, and managerial discretion can exert contingent influence on this relationship.
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This study aims to explore the impact mechanism of social support on individual health knowledge creation among users in online patient communities, guide and promote the creation…
Abstract
Purpose
This study aims to explore the impact mechanism of social support on individual health knowledge creation among users in online patient communities, guide and promote the creation of health knowledge and provide insights into managing online patient communities.
Design/methodology/approach
A theoretical model was constructed by integrating social impact and social support theories. Data were collected through questionnaires, and 750 valid responses were analysed using a structural equation model.
Findings
This study found the following. (1) Social support influences individual health knowledge creation through the mediating effects of creative self-efficacy and positive emotions. (2) The general rule of the strength of the influencing factors on individual health knowledge creation is that creative self-efficacy > positive emotions. (3) The general pattern of the mediating effect of attitude factors between social support and health knowledge creation is that creative self-efficacy > positive emotions. (4) The key path for social support to influence individual health knowledge creation is “social support → creative self-efficacy → health knowledge creation”. (5) The dimensions of social support in online patient communities can be divided into information, emotional, respect and network support. Individual health knowledge creation can be divided into health knowledge externalisation, combination, socialisation and internalisation.
Originality/value
This study expands the application scope of social influence theory and opens up the “black box” of the impact of social support on individual health knowledge creation behaviour. Simultaneously, the dimensions of social support, individual health knowledge creation and the mediating role between social support and health knowledge creation are discussed.
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Siavash Moayedi, Jamal Zamani and Mohammad Salehi
This paper aims to provide a full introduction, new classification, comparison and investigation of the challenges as well as applications of layerless 3D printing, which is one…
Abstract
Purpose
This paper aims to provide a full introduction, new classification, comparison and investigation of the challenges as well as applications of layerless 3D printing, which is one of the industry 4.0 pioneers.
Design/methodology/approach
Given the significance and novelty of uniform 3D printing, more than 250 publications were collected and reviewed in an unbiased and clear manner.
Findings
As a result, the majority of uniform parts printed in polymer form are known up to this point. In a novel division for better researchers’ comprehension, uniform printing systems were classified into three categories: oxygen inhibition (OI), liquid lubrication (LL) and photon penetration (PP), and each was thoroughly investigated. Furthermore, these three approaches were evaluated in terms of printing speed, precision and accuracy, manufacturing scale and cost.
Originality/value
The parameters of each approach were compared independently, and then a practical comparison was conducted among these three approaches. Finally, a variety of technologies, opportunities, challenges and advantages of each significant method, as well as a future outlook for layerless rapid prototyping, are presented.
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Xiaoming Han, He Zhang and Kangjian Yang
This study aims to investigate the temperature rise characteristics of vibrating rolling bearings under the influence of the polarization force of unbalanced eccentric blocks. A…
Abstract
Purpose
This study aims to investigate the temperature rise characteristics of vibrating rolling bearings under the influence of the polarization force of unbalanced eccentric blocks. A thermal-fluid-solid mechanics coupled finite element model is established to analyze the effects of different loads and rotational speeds on bearing temperature to prevent overheating, wear and thermal damage.
Design/methodology/approach
A thermal-fluid-solid mechanics coupled finite element model of the vibrating rolling bearing is developed based on the principles of heat transfer. Finite element analysis software is used to conduct numerical simulations and study the temperature distribution of the bearing system under different loads and speeds. The model’s accuracy is verified by experimentally measuring the actual temperature of the bearing under the same working conditions.
Findings
This study successfully established a thermal-fluid-solid mechanics coupled finite element model of a vibrating rolling bearing, verifying its accuracy and reliability. The research results provide an essential reference for optimizing bearing design, preventing overheating and extending service life.
Research limitations/implications
By analyzing the temperature rise characteristics under various load and rotational speed conditions, the law governing the internal temperature distribution of bearings is revealed. This finding offers a theoretical foundation for comprehending the thermal behavior of bearings.
Practical implications
This study offers a scientific foundation for the maintenance and fault diagnosis of shaker rolling bearings, aiding in the timely identification and resolution of thermal damage issues. Through the optimization of bearing design and usage conditions, the equipment’s lifespan can be prolonged, maintenance expenses can be minimized and production efficiency can be enhanced.
Originality/value
A thermal-fluid-solid mechanics coupled finite element model of a vibrating rolling bearing was established, considering the interaction of multiple physical fields. The influence of the polarization force from the unbalanced eccentric block on the bearing temperature is analyzed in detail, which is close to the actual working conditions.
Peer review
The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-10-2024-0396/
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Ming Lin, Mu Tian, Jie Wu and Yifan Wang
This study explores the influence of Zhongyong thinking on the zone of tolerance (ZOT) for the quality of Shanzhai products among low-income Chinese consumers as well as examines…
Abstract
Purpose
This study explores the influence of Zhongyong thinking on the zone of tolerance (ZOT) for the quality of Shanzhai products among low-income Chinese consumers as well as examines the moderating effects of frugality and price.
Design/methodology/approach
Data were collected from 228 low-income Chinese consumers to test the hypothesized relationships between Zhongyong thinking, frugality, price and the ZOT of quality.
Findings
The results demonstrate a negative relationship between Zhongyong thinking and the ZOT of quality. This negative relationship is intensified by an increase in frugality, highlighting the complex interplay between cultural thinking and economic behaviors.
Originality/value
This research sheds new light on the research about the ZOT for quality by integrating the principles of mean and harmony with consumer rationality to explore the impact of Zhongyong thinking on low-income consumers’ ZOT for Shanzhai product quality. It further enriches the understanding of frugality’s role by discussing how it interacts with Zhongyong thinking to affect the ZOT for product quality among low-income consumers in emerging markets.
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Mustafa Kuntoğlu, Emin Salur, Munish Kumar Gupta, Saad Waqar, Natalia Szczotkarz, Govind Vashishtha, Mehmet Erdi Korkmaz, Grzegorz M. Krolczyk, Abdullah Aslan and Rüstem Binali
Additive manufacturing became the most popular method as it enables the production of light-weight and high-density parts in effective way. Selective laser melting (SLM) is…
Abstract
Purpose
Additive manufacturing became the most popular method as it enables the production of light-weight and high-density parts in effective way. Selective laser melting (SLM) is preferred by means of producing a component with good surface quality and near-net shape even if it has complex form. Titanium alloys have been extensively used in engineering covering a variety of sectors such as aeronautical, chemical, automotive and defense industry with its unique material properties. Therefore, the purpose of this review is to study the tribological behavior and surface integrity that reflects the thermal and mechanical performances of the fabricated parts.
Design/methodology/approach
This paper is focused on the tribological and surface integrity aspects of SLM-produced titanium alloy components. It is aimed to outline the effect of SLM process parameters on tribology and surface integrity first. Then, thermal, thermal heat, thermomechanical and postprocessing surface treatments such as peening, surface modification and coatings are highlighted in the light of literature review.
Findings
This work studied the effects of particle characteristics (e.g. size, shape, distributions, flowability and morphology) on tribological performance according to an extensive literature survey.
Originality/value
This study addresses this blind spot in existing industrial-academic knowledge and goals to determine the impact of SLM process parameters, posttreatments (especially peening operations) and particle characteristics on the SLMed Ti-based alloys, which are increasingly used in biomedical applications as well as other many applications ranging from automobile, aero, aviation, maritime, etc. This review paper is created with the intention of providing deep investigation on the important material characteristics of titanium alloy-based components, which can be useful for the several engineering sectors.