Having the right tools in our toolbox or knowing who to call and rely on makes any job go easier, faster and better.

The heat-treat process-verification articles included here have stood the test of time, and readers continue to show their interest through online viewing.

The Doctor has always been intrigued by the question of how to compare the impact values obtained by Izod testing methods with those of Charpy testing methods.

The subject of impact testing continues from last month’s discussion by looking at the Charpy “V” notch test in more detail.

Strength and toughness relationships are perhaps the most important ones when it comes to advances in materials and engineered products.

In this installment we talk about the variables that affect the transition temperature and look at the future of impact testing.