This paper deals with an integrated model for the joint determination of economic production quantity and preventive maintenance (PM) level for an imperfect process having a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of the process is modeled using the imperfect maintenance concept. It is assumed that, after each PM, ...

This paper deals with an integrated model for the joint determination of both economic production quantity (EPQ) and level of preventive maintenance (PM) for an imperfect production process. This process has a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of the process is modeled using the imperfect maintenance concept....

To assess the effect of stress state and strain rate on damage fracture a commercial DP1000 steel with very fine microstructure, an extensive series tests were performed. Using finite element simulations, eight different sample geometries, including dogbone, central hole, shear several notched samples, designed to achieve both proportional non-proportional states using conventional test benches...

A great number of models have been proposed to investigate the deterioration inventory. However, most of models assume that a fixed physical quantity of items deteriorates over time, the quality of items does not decay before their expiration dates. In practice, the quality and physical quantity of many products, including fresh produce and foods, often deteriorate over time. The quality of an ...

We developed a maximum profit inventory model with generalized deterioration rate where the selling is dependent on level that an extension of two published papers. A complete solution structure provided to decide optimal reasonable conditions supported by numerical examples, and then we prove independent demand pattern. Numerical examples are illustrate our findings. In previously paper, three...

In most of the classical inventory models the demand is considered as constant. In this paper the model has been framed to study the items whose demand and deterioration both are constant. The authors developed a model to determine an optimal order quantity by using calculus technique of maxima and minima. Thus, it helps a retailer to decide its optimal ordering quantity under the constraints o...