Rotating Bending Fatigue Testing Machine [Japan]
YAMAMOTO METAL TECHNOS CO., LTD.
Japanese
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Contents
1.What is Metal Fatigue?
2.Does Metal Fatigue often happen?
3.What we learn from the big accidents in the past
4.Recent trend “Giga-cycle fatigue”
5.How is fatigue testing operated?
6.What is S-N curve?
7.How to utilize S-N curve?
8.What happens in the longer life regime?



papers
GIGA QUAD

4.Recent trend “Giga-cycle fatigue”

Talk about Dual Rotating Bending Fatigue Testing Machine -Contents-
  1.What is Metal Fatigue?
  2.Does Metal Fatigue often happen?
  3.What we learn from the big accidents in the past
  4.Recent trend “Giga-cycle fatigue”
  5.How is fatigue testing operated?
  6.What is S-N curve?
  7.How to utilize S-N curve?
  8.What happens in the longer life regime?
In materials science field, "Giga-cycle fatigue" is a trend nowdays. Why?

Please see a chart below.
Recent trend Giga-cycle fatigue
Thus, once we aim to the earth-friendly society,
it naturally lets us try to use everything which consists of metal products importantly for a lomg time.
However, there is an question"Is it really possible to use them safely?".
There are still few results in the materials science field regarding to this question.
Why??
It is because it takes enormous time.
Actually, it needs extremely long time to perform a fatigue test in the giga-cycle regime(more than 107times).


Nevertheless, we will never achieve the earth-friendly safety society unless the fatigue test in the giga-cycle regime.
Thereupon, a multi-type fatigue testing machine has been developed.
Our Dual Spindle Rotating Benfing fatigue testing machine "GIGA QUAD"
made it possible to perform tests for 4specimens simultaneously, which means very speedy!!
Talk about Dual Rotating Bending Fatigue Testing Machine -Contents-
  1.What is Metal Fatigue?
  2.Does Metal Fatigue often happen?
  3.What we learn from the big accidents in the past
  4.Recent trend “Giga-cycle fatigue”
  5.How is fatigue testing operated?
  6.What is S-N curve?
  7.How to utilize S-N curve?
  8.What happens in the longer life regime?
GIGA  QUAD series Dual-spindle rotating bending fatigue  testing machine
>> Contents



YAMAMOTO METAL TECHNOS CO., LTD.
Rotating Bending Fatigue Testing Machine [Japan]

4-7, Setoguchi 2-chome, Hirano-ku, 547-0034 Osaka Japan
TEL: 81-6-6704-1800 E-mail: info@yama-kin.co.jp


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