Critical value of plastic deformation of green sand has been tested by molding sand multi-tester using computer and sensors.
用计算机技术和传感技术组成系统构成型砂多项性能测试仪，测定湿型粘土砂塑性变形临界值。
It demonstrated that the experiment of hardness is likely to upset in the experiment of compression. Hardness tester indenter make matrix metal plastic deformation and viscous flow happen.
结果表明，硬度实验类似于压缩实验中的镦粗，硬度计压头可使金属基体发生塑性变形及粘性流动。
Based on the rheology and molding sand micro deformation, elastic modulus of molding sand was measured and investigated with the intelligent molding sand multi property tester developed by ourselves.
基于流变学和型砂微变形理论，用所研制的智能化型砂多项性能测试仪对型砂的弹性模量进行了测量研究。
Based on the rheology and molding sand micro deformation, elastic modulus of molding sand was measured and investigated with the intelligent molding sand multi property tester developed by ourselves.
基于流变学和型砂微变形理论，用所研制的智能化型砂多项性能测试仪对型砂的弹性模量进行了测量研究。
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