인장실험(Tensile Test)

인장실험(Tensile Test) 인장실험(Tensile Test).hwp 목차 1. Introduction of CESCO 2. Host Country 3. Environmental Analysis 4. Advancing abroad 5. Reference 본문 1. Introduction of CESCO 1-1. CESCO (Chunwoo Environment Service Co. LTD) CESCO is the fifth biggest insect control company of the world, the biggest pest control company of the Asia. It provides total hygiene service about infectiousness malignant bacilli which can cause many kinds of disease and hamper a life environment. It has an advanced Research and Development system of pest control and the biggest plenty of custom in this industry. Thus, CESCO runs this business having a high brand awareness, a market share and customer satisfaction, working Field Insect Control Business Hotel, Food facility, Building, Hospital, and etc Main customer : Inchen International Airport, Asan Medical Center, Hotel Lotte, Samsungeverland Restaurant Fast food, Institutional food service, and etc House R&D Rat, Harmful insects control research Advanced unattended insect control system development and operation Service Private Beginning and periodical care, prevention information system, Free happy call, insured refund system Corporate roundworm eradication, Maintenance management, Reporting the content after caring, Claim control 1-2. Core compentence (1) Certification System CESCO is the first company which run in accordance with ISO90012000 which is the internationally recognised standard for the quality management of business. It makes standardization of system, computerized every database, enhancing work efficiency and quality, providing same quality service. (2) Technical Skills CESCO constructs the biggest institute of insect control technology and only production line by itself in Korea. The institute has and hold about 100 master or doctor researchers and 2,193 type of insects control programs about 731 species of insects. The institute combines biotechnology and IT and invents new environment-friendly drug and control system which is harmless to humans and 300 thousands clients and43 million insects infrastructure system. It also provides the custom-tailored hygiene control program. (3) Training service expert CESCO trains the CESCO Man, which is service experts, through staff training. They complete knowledge education for 700 hours and advanced insect control education system.It trains combination experts based on 4 levels standardization human resources. 본문내용 평행부를 갖는 시험쳔을 축방향으로 인장하중을 가해 하중과 변형을 측정한다. 보통 이로부터 측정할 수 있는 값은 연성재료와 취성재료가 다르며, 연성재료에서는 인장강도, 항복점, 연신율, 및 단면수축율이고 취성재 료에서는 인장강도와 연신율이다. 인장시험에 의해 측정될 수 있는 재료의 기계적 성질로 서는 그 외에 비례한도, 탄성한도, 탄성계수,진파단력과 POISSON비 등도 포함된다. 또 인장시험에 의해 구해지는 재료의 강도는 횡단면에 수직으로 작용하는 응력에 대한 시료의 강도값으로 , NOTCH나 그 외의 원인으로 분포가 일정하지 않은 응력을 받는 경우의 항복점이나 파단강도는 재료가 항복이나 파괴에 따른 역학적 조건과 인장시험의 결과를 고려하여 대략 추정된다. 그리고 압축하중이나 반복하중에 의한 재료의 강도