Straight Talk About Decarburization and IGO/IGA

Sometimes learning more about a common heat-treat phenomenon can yield a deeper understanding of the underlying principles involved.

A 'Rare' Opportunity

Most readers make stuff from metals or make equipment to make that stuff. So, let’s look at what and where we get some of the more unusual metals, most of which are scarce and costly.

Flying-Car Startup Gets Important Investor

Zhejiang Geely Holding Group, which owns Volvo Cars and has a stake in Daimler AG, will invest in flying-car maker Volocopter GmbH. Geely and Bruchsal, Germany-based Volocopter will form a joint venture in an effort to bring flying cars to China.

PM Vital to Nitinol Ball Bearings

At least one engineer was skeptical that Nitinol, which is made by combining nickel and titanium, would work as a ball bearing. But after a lot of testing – and a failed trial with a casting process – a team of scientists from NASA and Abbott Ball Company found success with powder metallurgy.

MHI to Acquire Bombardier Regional Jet Program

Mitsubishi Heavy Industries (MHI) will acquire Bombardier's regional jet program for $550 million. Pursuant to the agreement, MHI will acquire the maintenance, support, refurbishment, marketing and sales activities for the CRJ Series aircraft, including the related services and support network located in Montreal, Quebec, and Toronto, Ontario.

SpaceX Flight with Astronauts Delayed?

An April explosion during testing might delay SpaceX’s plan to fly NASA astronauts to and from the International Space Station by the end of 2019. The explosion, which was caused by a leaky valve in the thruster system, destroyed a Crew Dragon capsule and forced design changes.

Bulk of Large Defense Companies are Chinese

A publication that tracks the global defense industry and publishes an annual list of the world’s largest defense firms says that eight of the largest contractors are Chinese.

SkyWest Orders 7 Jets

Brazilian airplane manufacturer Embraer signed a contract with SkyWest worth $340 million for seven E175 jets in a 70-seat configuration. SkyWest will operate the aircraft for Delta. Deliveries are expected to begin in the fourth quarter of 2019.

Kaiser Aluminum Confident About Aerospace Shipments

Despite setbacks for Boeing's 737 MAX program, California rolling mill Kaiser Aluminum expects steady aerospace shipments in the second half of 2019.

Vacuum Furnace Leaks and Detection Techniques

Many papers have been written on the subject of vacuum furnace leaks, how to detect them and how to find them.

How to Weld Heat-Resistant Alloys

As a metallurgist, I am frequently asked for assistance on metallurgical issues relating to alloy products and selection. Here are the most frequently asked questions and a guide to answering these questions.

Sample Preparation of Surface Hardened Gears

Surface hardened helical gears must survive in harsh environments, so the heat treatment must produce the desired microstructure and material properties. Many companies use sample preparation and hardness testing to verify their heat treatment cycles. Find out how repeatable preparation methods provide reliable results for state-of-the-art quality control of surface hardened helical gears.

Industrial Heating

2019 September

Check out the September 2019 issue of Industrial Heating, featuring Bill Mayer's editorial on "Celebrate Manufacturing Day", "Cutting Automotive Die Costs Using Laser Heat Treating", and much more.

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IH magEzine

September 12, 2019