Metal
Strength
Ductility
High melting points
Thermal and electrical conductivity
Toughness
free electrons
↓
Properties of metallic materials
Bonding
Nonferrous metal
중금속 copper tin nickel
경금속 Aluminum
귀금속 gold silver
희금속 radium
신금속 titan
합금
Copper
high electrical and thermal conductivity
high ductility
good corrosion r
같이 대 분류를 하였다.
A : Ferrous Metals(단 Casting의 Nonferrous Metals 中일부는 'A'로 분류됨)
B : Nonferrous Metals
C : Cementifious, Ceramic, Concreate and Masonry Materials
D : Miscellaneos Materials
E : Miscellaneous Subjects
F : Materials for Specific Applications
G : Corrosion, Deterioration, and Degradation of Materials
ES : Emergency Standards
P : Proposals
The greater
the better
Strong materials are preferred(σ)
Deformation is constrained(E)
The smaller
the better
Light materials are preferred(ρ)
Energy loss is less as possible
Low price
Relatively light MMC
Strong
↓
Final Choice For
Tennis Racket Frame
MMCC Aluminum/graphite fiber ga7-230 metal matrix composite
: Our optimized composite material for the frame of tenn
30 years
Despite constant investment, the raw material market is forecasted to remain undersupplied for the next few years.
Limited and undersupplied resources
Increasing price of raw material
Self-efficiency ratio
Experience in developing a new mine
in huge projects
Vast networks in various regions
- About 100 offices abroad (94)
- Plan to have more branches
metal and interface. Mobile charges has the same effect. But it makes the curve shift toward applied voltage because the movement of charges is determined by applied voltage(-,+). It is known that mobile charges are generated when dielectric material has the impurities such as Na ion.
The term fast interface state refers to the fact that these defects can change their charge state relatively fas
materials
만약 용접의 길이의 5%이상의 폭이라면 재료사이의 공간을 연결할 수 없다. 슬릿(slit)의 폭에 따라서 결합되거나, 용접 선을 형성 할 수 없다. 따라서 용접과정에 따라서 wire가 공급되는 공정이 필요하다. Wire의 양은 용접속도, 용접길이, 폭에 따라 결정된다.
실제의 양을 제외하고 매우 얇은(d= 0
In describing the answer to the question below, try to share your opinions on the basis of evidences such as articles and books. Also provide information of the evidence (author, title, journal name, etc.).
1. Explain what happens in terms of mechanical/chemical properties when making products using metal-based 3D additive manufacturing technology. (10 points)mechanical properties
전통적
price at the cost of poorer brand image.
We segmented customers into three groups of kids, parents and kidults, and we believe Oxford should target the last one to increase its brand image and sales. New products should focus on larger and more mature-themed products to focus sales on this segment.
Also, While Oxford Toy has great price, and need to have its position as good quality with aff
Ⅰ. Introduction : The tofu war(Pulmuone vs CJ Cheil-jedang)
1) Tofu Market with Competition
① The scale of tofu market in Korea.
(From : CJ)
- Tofu market grows gradually following consumer's increasing interest on health.
- After the release of Pulmuone's wrapped tofu, the scale of wrapped tofu is increasing. Our target is also wrapped tofu in two companies, Pulmuone and CJ 제