• Title/Summary/Keyword: HANA

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A Study on External Effects on Peeling-off Behavior of Adhesive Tape (접착 테이프 박리거동에 미치는 외부효과에 관한 연구)

  • Han, Won Heum;Jung, Hyung Sik;Lee, Moon Ho
    • Journal of Adhesion and Interface
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    • v.13 no.1
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    • pp.9-16
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    • 2012

  • In order to describe external effects on the behavior of the adhesive tape, the semi-rigid body cylinder chain model for adhesive tape has been proposed as follows. Firstly the behavior of the tape is in detail investigated while it's being pulled off from the plate, and subsequently a relevant phenomenological model is designed. Then all the contributors affecting the force to peel out the tape from plate (hereafter, the pull out force) are clearly defined and their sensitivity analyses are made to set up the experimental reference condition, under which the angular dependence of the pull out force is measured in every $10^{\circ}$. The experimental data turn out to be in good agreement with the theoretical ones by our model within the measurement error, and the effects due to other factors are proved to be well explained from the phenomenological viewpoint. From these results, the concept of this study might be expected to be very useful for the test and evaluation of PSA types of adhesive tape.

  • https://doi.org/10.17702/jai.2012.13.1.009 인용 PDF KSCI

Manufacturing Process Effect on Strength and Corrosion Properties of Zr Alloys for Fuel Guide Tube (핵연료 안내관용 지르코늄 합금의 강도 및 부식 성능에 미치는 제조공정 영향)

  • Kim, Hyun-Gil;Kim, Il-Hyun;Choi, Byung-Kwan;Park, Sang-Yoon;Park, Jeong-Yong;Jeong, Yong-Hwan
    • Korean Journal of Metals and Materials
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    • v.47 no.12
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    • pp.852-859
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    • 2009

  • The manufacturing process of zirconium alloys is an import factor to increase their strength and corrosion resistance. In order to find an improved manufacturing process of zirconium alloys in both Zr-1Nb-1Sn-0.1Fe (Alloy-A) and Zr-1.5Nb-0.4Sn-0.2Fe-0.1Cr (HANA-4) for fuel guide tubes, sheet samples were prepared by applying two- and three-step processes that were controlled by an annealing and reduction condition. The mechanical strength and corrosion resistance of both alloys were increased by applying the twostep process rather than the three-step process. From a matrix analysis using TEM, the property improvement is related to the decrease of the precipitate mean diameter with an application of the two-step process. In a comparison of the strength and corrosion properties between Alloy-A and HANA-4, the performance of HANA-4 was feasible for application to fuel guide tubes.

  • KSCI

Combined utilization with herbal products and prescribed drugs: A result from health examinee-based national survey (일부 종합병원의 건강검진 수검자들의 한약·양약 복합투여)

  • Park, Jong-Ku;Choi, Seo-Young;Koh, Kwang-Wook;Yu, Jun-Sang;Kim, Tae-Hun;Sohn, Dong-Kook;Hong, Ju-Hee;Song, Sung-Eun;Kim, Chun-Bae
    • Health Policy and Management
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    • v.16 no.1
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    • pp.1-16
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    • 2006

  • Recently, there has been prevailing of the combined utilization (CU) with herbs and prescribed drugs in medical therapies in the world. But the information about frequency, efficacy and safety of this CU has not well known in Korea, yet. This study aimed to identify the status of CU by Koreans, and to inquire which side effects of CU represent to those people. A self-completed questionnaire survey was performed through each health examination center in twenty general hospitals and one oriental hospital. Of the initial 2,100 health examinees, 1,851 were participated in this survey, resulting in a response rate of 88.1%. The proportion of CD was 26.3%. The most commonly mentioned reason of CD was 'to promote general health and well-being' (17l persons, 35.5%). The main route of taking CD was self-purchase at drugstore or at herbs market, followed by the prescription of (oriental)physicians. 33.0% (151 persons) of those who took the CD rated it as effective. 93 respondents (19.8%) were experienced several adverse effects including nausea, fatigue, and dizziness. The growing simultaneous use of herbal products and pharmaceutical drugs by Korean consumers may be continuously increased the risk of herb-drug interactions. The medical professionals should be provided with comprehensive and up-to-date information about potential benefits and risks of herbs and prescribed drugs. In the future studies it may be recommended to deal common cold, health promotion, indigestion, headache, and hypertension for the effect and safety of the CD by well-organized prospective study design.

  • https://doi.org/10.4332/KJHPA.2006.16.1.001 인용 PDF KSCI