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Fe-29%Ni-17%Co 저열팽창 합금의 피로 특성에 미치는 알파상의 영향
김민종,권진한,조규상,이기안,Kim, Min-Jong,Gwon, Jin-Han,Cho, Kyu-Sang,Lee, Kee-Ahn 한국재료학회 2014 한국재료학회지 Vol.24 No.9
The effect of alpha phase on the fatigue properties of Fe-29%Ni-17%Co low thermal expansion alloy was investigated. Two kinds of alloys (Base alloy and Alpha alloy) were prepared by controlling the minimal alloy composition. Microstructure observation, tensile, high-cycle fatigue, and low-cycle fatigue results were measured in this study. The Base alloy microstructure showed typical austenite ${\gamma}$ phase. Alpha alloy represented the dispersed phase in the austenite ${\gamma}$ matrix. As a result of tensile testing, Alpha alloy was found to have higher strengths (Y.S. & T.S.) and lower elongation compared to those of the Base alloy. High cycle fatigue results showed that Alpha alloy had a higher fatigue limit (360MPa) than that (330MPa) of the Base alloy. The Alpha alloy exhibited the superior high cycle fatigue property in all of the fatigue stress conditions. SEM fractography results showed that the alpha phase could act to effectively retard both fatigue crack initiation and crack propagation. In the case of low-cycle fatigue, the Base alloy had longer fatigue life in the high plastic strain amplitude region and the Alpha alloy showed better fatigue property only in the low plastic strain amplitude region. The fatigue deformation behavior of the Fe-29%Ni-17%Co alloy was also discussed as related with its microstructure.
군 상담 정책과 시스템: 그 문제점과 발전방안에 대한 고찰
김민종,금명자 사단법인 인문사회과학기술융합학회 2018 예술인문사회융합멀티미디어논문지 Vol.8 No.1
The goals of this study are to definitely classify the role and duty of the military counseling workers and to suggest the method establishing the identity of military counseling specialists through looking over studies and literatures related to military counseling. The current policy is actively in effect to realize the wholesome military culture. However the counseling to soldiers by military officers have many problems because they have unprofessional counseling skills. And there are structural difficulties of dual relation and confidentiality. The military counseling specialists have also difficulties to do professional counseling because their identities are not established. Based upon these problems, this study suggests the classification of domains in the military counseling according to the role of military officers, military counseling specialists and to grant of the role and duty regarding the military counseling workers included each domain. And this study suggests also the method of establishing the military counseling specialist’s identity. Finally future initiatives are presented and the meaning of this study is discussed. 본 연구는 군 상담과 직접 관련이 있는 연구 및 문헌들을 개관하여 그 문제점을 도출하고, 그에 따른 발전방안을 제시하며 특히, 군 상담 실무자인 군 간부와 병영생활전문상담관의 임무와 역할을 구분하여 그들의 임무수행과 정체성을 확립하기 위한 방안을 제시하는데 목적이 있다. 현재 군은 사고를 예방하고 건전한 병영문화를 구현하기 위해 상담관련 정책들을 시행중에 있다. 하지만 군 간부들이 수행하는 상담은 면담과 충고의 수준을 벗어나지 못하고, 구조적으로 이중관계와 비밀보장의 어려움 등의 문제들이 존재한다. 군에서 전문적인 상담임무를 수행하는 병영생활전문상담관은 제한된 권한 및 소극적 역할, 상담관의 역할과 한계에 대한 염려 등의 고충을 실제로 호소한다. 이러한 문제점들을 개선하기 위하여 군 간부와 병영생활전문상담관의 임무와 역할을 구분하여 부여하고, 그들의 전문적인 임무수행을 위한 정체성 확립 및 여건보장의 발전방안을 제시하였다. 또한 향후 추진과제를 제시하고 본 연구의 의의에 대해 논하였다.
김민종,Kim, Min-Jong 한국데이터베이스진흥원 2002 디지털콘텐츠 Vol.8 No.-
지난달 본지 7월호에서 국내 스팸메일관련 법규와 규제방식에 대해 살펴보았다. 그리고 스팸메일 관련 주요 논점별 분석과 입법 방향 논의에 대해 짚어보았다. 이번 호에는 미국, 유럽, 일본 등의 스팸메일에 관한 법적 규제의 동향에 대해 게재하고자 한다. 또 미국, 독일에서의 스팸메일에 관한 분쟁사례를 통해 국내 스팸메일 관련 분쟁 해결의 실마리를 찾을 수 있을 것으로 기대한다.
김민종,유준상,고상백,박종구,Kim, Min-Jong,Yoo, Jun-Sang,Koh, Sang-Baek,Park, Jong-Ku 사상체질의학회 2009 사상체질의학회지 Vol.21 No.1
1. Objectives This study was to designed investigate the relationship between hypertension and its risk factors and the prevalence of hypertension according to Sasang Constitution. 2. Methods Five hundred and twenty six people were subjects out of 666 people, over 40 years old, who participated in the community-based cohort in Wonju, South Korea from July 2nd to August 30th in 2006. Hypertensive group was 263 peoples and normal group was 263 people, selected randomly among non hypertensive people who had same age and sex with hypertensive groups. Sasang Constitutional Diagnosis was carried out using PSSC(Phonetic System of Sasang Constitution), face and tongue photos and a checkup list. Risk factors from blood samples, physical measurements and social indices were analyzed using SPSS. 3. Results The prevalence of hypertension in Taeeumin was 63.1%(N=166), that of Soeumin was 22.4%(N=59) and that of Soyangin was 14.4%(N= 38). Considering risk factors of hypertension, there weren't any differences between two groups in social support indices and Framingham type A score. But scores of Soeumin's and Soyangin's were significantly high compared with that of Taeeumin in female normal group. There were significantly high results in Adiponectin of Soeumin's and HDL-cholesterol of female Soyangin's and HOMA-IR of Taeeumin's than any other groups. Crude OR of Taeeumin was 2.18 as compared with that of Soeumin in terms of risk of hypertension, and OR of Taeeumin was 2.02 as compared with that of Soeumin after drinking, smoking, total cholesterol, fasting blood sugar and HOMA-IR were adjusted. But after BMI was adjusted there wasn't a significance between Soeumin and Taeeumin and the OR of more than 25 was 2.42 as compared with that of less than 23 in BMI. 4. Conclusions Sasang Constitution is thought to be the reasonable variable to control hypertension in terms of prevention, treatment and regimen. And constitution is needed as a good variable to make a cohort study concerning chronic diseases, especially hypertension.