Hot compression tests were conducted on a Gleeble-1500D thermal simulating tester.Based on the deformation behavior and microstructural evolution of superalloy GH79,different types of instability criteria of PRASAD,GE...Hot compression tests were conducted on a Gleeble-1500D thermal simulating tester.Based on the deformation behavior and microstructural evolution of superalloy GH79,different types of instability criteria of PRASAD,GEGEL,MALAS,MURTY and SEMIATIN were compared,and the physical significance of parameters was analyzed.Meanwhile,the processing maps with different instability criteria were obtained.It is shown that instability did not occur when average power dissipation rate was larger than 60%in the temperature range of 900-930°C and 960-1080°C,corresponding to the strain rate range of 5×10 -4 -1.8×10 -1 s -1 and 5×10 -4 -1.5×10 -1 s -1 ,respectively.The two domains are appropriate for the processing deformation of superalloy GH79.展开更多
目标管理（management by objectives，MBO）是目标管理方法的简称，又称“成果管理”，由美国管理学家Peter Drucker在1954年首先提出，经管理学家们不断完善和管理实践的检验，已成为一种公认的先进的管理方法。它是以结果为导向的系...目标管理（management by objectives，MBO）是目标管理方法的简称，又称“成果管理”，由美国管理学家Peter Drucker在1954年首先提出，经管理学家们不断完善和管理实践的检验，已成为一种公认的先进的管理方法。它是以结果为导向的系统管理方法，依据人性行为科学理论，让单位管理人员和工作人员共同参与目标的制订，在目标的实施过程中实行自我控制，并对成果严格考核的一种管理制度。笔者将MBO的方法应用到临床的护理管理中，取得了一定的效果，现报道如下。展开更多
基金Project(2010CB631203)supported by the National Basic Research Program of China
文摘Hot compression tests were conducted on a Gleeble-1500D thermal simulating tester.Based on the deformation behavior and microstructural evolution of superalloy GH79,different types of instability criteria of PRASAD,GEGEL,MALAS,MURTY and SEMIATIN were compared,and the physical significance of parameters was analyzed.Meanwhile,the processing maps with different instability criteria were obtained.It is shown that instability did not occur when average power dissipation rate was larger than 60%in the temperature range of 900-930°C and 960-1080°C,corresponding to the strain rate range of 5×10 -4 -1.8×10 -1 s -1 and 5×10 -4 -1.5×10 -1 s -1 ,respectively.The two domains are appropriate for the processing deformation of superalloy GH79.
文摘目标管理（management by objectives，MBO）是目标管理方法的简称，又称“成果管理”，由美国管理学家Peter Drucker在1954年首先提出，经管理学家们不断完善和管理实践的检验，已成为一种公认的先进的管理方法。它是以结果为导向的系统管理方法，依据人性行为科学理论，让单位管理人员和工作人员共同参与目标的制订，在目标的实施过程中实行自我控制，并对成果严格考核的一种管理制度。笔者将MBO的方法应用到临床的护理管理中，取得了一定的效果，现报道如下。
