instrumented impact test
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2011 ◽  
Vol 473 ◽  
pp. 412-419
Author(s):  
Jani Kantola ◽  
Kari Mäntyjärvi ◽  
Rauno Toppila ◽  
Jussi A. Karjalainen

The Charpy V-notch test is a standardized high strain-rate test which is used to find out behaviour of materials in different temperatures by measuring the amount of energy absorption of a specimen. As a result of the Charpy V-notch test, one gets brittle-ductile transition of material. This research examines the effects of two different notch manufacturing methods on the results of impact tests performed on ultra-high-strength (UHS) steels. The goal of this study is to establish whether there is any effect on absorpted impact energy when specimens are manufactured differently and by another producer. Tested materials were bainitic-martensitic UHS steel (YS/TS 960/1000), S650MC HS steel and abrasion-resistant steel (ARS) with a hardness of 500 HBW. Impact test samples were manufactured by two different milling tools by another producer. The dimensions of the samples were measured after manufacturing. Impact test samples were tested at +20, -40 and -100 degrees Celsius with a Zwick Roell PSW750 –instrumented impact test hammer. Specimens were made in T-L orientation. Samples were impacted with 450 J. The results show that there was some difference between the used tools in the absorpted energy of the specimens.


Rare Metals ◽  
2010 ◽  
Vol 29 (6) ◽  
pp. 608-612 ◽  
Author(s):  
Rui Liu ◽  
Songxiao Hui ◽  
Wenjun Ye ◽  
Baiqing Xiong ◽  
Yang Yu ◽  
...  

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