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chong ji shi yan ji wei shi me hui ka yang ?
Author(s): 
Pages: 61-62
Year: Issue:  2
Journal: Test Technology and Testing Mechine

Keyword:  冲击试验机冲击韧性值材料试验机冲击试样塑性钳口横截面试验结果对角线概况;
Abstract: <正> 一、卡样概况我们在使用吴忠材料试验机厂生产的 JB30A 和 HB30型冲击试验机作冲击试验时,发现当试样塑性较差,冲击韧性值较低(一般在5公斤力·米/厘米~2以下)时,常发生
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