記憶度
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CHAPTER 2. Steels have a cold hardness limit
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CHAPTER 2. The yield stress decreases with increasing tempererature
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CHAPTER 2. In the hardness test, the measured hardness increases with the size of the indentation
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CHAPTER 2. Hardness and resistance to plastic deformation
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CHAPTER 2. Sintered metal carbide is predominante tungsten carbide with cobalt as binder
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CHAPTER 2. Yield stress coincides with the maximum tension measured in the tesile test
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CHAPTER 2. Brittleness is the tendncy of a material to break without previuous deformation
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CHAPTER 2. Ductility in the case of plastic deformation is directly proportional to relative elongation
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CHAPTER 2. A welding process chances the metallographic structure of the material
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CHAPTER 2. For hardened steel I can use the Brinell scale
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CHAPTER 2. Metals have a monocrystalline structure
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CHAPTER 2. Iron is characterised by polymorphism
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CHAPTER 2. The resiliente test dose not require the workpiece material to have good electrical conductivity
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CHAPTER 2. Tungsten carbide (or sintered metal carbide) mainly consiste of tungsten carbide all’opera with cobalt
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CHAPTER 2. The hardness test is normally performed on a machine called a hydraulic press
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CHAPTER 2. Processing is said to be hot when we are belle the recrystallisation limit
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CHAPTER 2. Metallic carbides, carbide in a cobalt metal matrix
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CHAPTER 2. Cast irons have high carbon and silicon content
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CHAPTER 2. Cast irons are not suitable for casting processes
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CHAPTER 2. Sintered metal carbides of grade M are generally recommended for machining stainless steels
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CHAPTER 2. The hardness test is carried out by investing the surface of the objiect with a special cloured liquid
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CHAPTER 2. A material after work hardening is more elastic, stronger and less brittle
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CHAPTER 2. Magnesium sì the lightest engineering metal
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CHAPTER 2. Magnesium si the lightest engineering metal
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CHAPTER 2. Magnesium si the lightest engineering metal
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CHAPTER 2. The tensile test sì similari to a pendulum test
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CHAPTER 2. Work hardening decreases ductility
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CHAPTER 2. Tool coating si used to increase the hardness of the Tool
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CHAPTER 2. Compression testing si performer using a press
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CHAPTER 2. The melting temperature of tungsten si 3420 C
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