Browsing all articles in Classification of Materials
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ปิดความเห็น บน Classifying Materials and Testing Their Properties part 2

Classifying Materials and Testing Their Properties part 2

Author Hope    Category Classification of Materials     Tags

Plastics   พลาสติก

  Plastics were first made in the beginning of the 20th century. They are usually made from petroleum and can be given any shape, colour or texture. They are strong, lightweight, bad conductors of electricity and resistant to chemicals. Moreover, they are generally cheaper than metals. They are also non-biodegradable and hence long lasting. These properties make them highly versatile materials for making numerous household and industrial goods. read more

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ปิดความเห็น บน Classifying Materials and Testing Their Properties part 1

Classifying Materials and Testing Their Properties part 1

Author Hope    Category Classification of Materials     Tags

  Classifying Materials and Testing Their Properties
 การจำแนกวัสดุเเละการทดสอบคุณสมบัติ

Let us study the properties of some commonly used materials.
ให้เราศึกษาคุณสมบัติของวัสดุที่ใช้งานทั่วไปบางอย่าง read more

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ปิดความเห็น บน Properties of Materials and Their Uses part 2

Properties of Materials and Their Uses part 2

Author Hope    Category Classification of Materials     Tags

Density   ความหนาแน่น

  Density is defined as the weight of a unit volume of a material. Materials which are less dense than water float in water.Materials denser than water sink in water. For example,wood floats on water,while a nail made of iron sinks.An empty soft drink can floats on water while a full can sinks. A ball full of air floats in water. read more

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ปิดความเห็น บน Properties of Materials and Their Uses part 1

Properties of Materials and Their Uses part 1

Author Hope    Category Classification of Materials     Tags

  Properties of Materials and Their Uses  
  คุณสมบัติของวัสดุเเละการใช้ประโยชน์

  To make things, we need to use materials    ทำสิ่งของ,เราต้องใช้วัสดุ

  Properties of materials determine their use. Materials can be classified on the basis of the following properties: read more

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ปิดความเห็น บน Classification of Materials – Introduction

Classification of Materials – Introduction

Author Hope    Category Classification of Materials     Tags

  Introduction   บทนำ

  Classification is a method of grouping objects in an organised manner, on the basis of certain properties. Classification of objects into groups can be done based on their similarities and differences. It is not possible to classify objects when they are all alike or all different. read more

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