(About the author; Vanessa Pfeiffer is Director of Strategic Market Development for Aerospace & Defence at Bodycote. She is responsible for identifying and accelerating strategic growth opportunities across the aerospace and defence sector, working closely with customers, operations, and commercial teams to support long-term business development initiatives.

With more than 10 years of experience in strategic marketing, business development, and market leadership, Vanessa has worked across aerospace, power generation, and other highly regulated industrial markets. She holds an Executive MBA from HEC Lausanne and is passionate about helping advanced technologies and manufacturing capabilities create safer, more resilient, and more sustainable industries.)

From New Product Introduction to Full-Rate Production: Why Heat Treatment Partnerships Matter in Aerospace

Aerospace OEMs and Tier 1 suppliers are increasingly turning to specialist heat treatment and surface finishing partners for rapid and scalable support across the New Product Introduction lifecycle, says Vanessa Pfeiffer, Director Strategic Market Development Aerospace, Defence & Energy

From New Product Introduction to Full-Rate Production: Why Heat Treatment Partnerships Matter in Aerospace
Aerospace OEMs and Tier 1 suppliers are increasingly turning to specialist heat treatment and surface finishing partners for rapid and scalable support across the New Product Introduction lifecycle, says Vanessa Pfeiffer, Director Strategic Market Development Aerospace, Defence & Energy

Aerospace manufacturers are under growing pressure to scale new platforms without compromising quality, capacity, traceability, cost control or delivery certainty. As programmes move from design and qualification into industrialisation and full-rate production, every process step must be capable of delivering repeatable performance at pace - especially where components are safety-critical, tightly specified and destined for long service lives.

Heat treatment and surface finishing remain critical to aerospace performance. As modern engines and structures operate at higher temperatures and stresses, thermal and metallurgical process history becomes more tightly coupled to design outcomes. With the right techniques and controls in place, demanding requirements for fatigue life, creep resistance and fracture toughness can be met consistently — not just in trials, but across repeatable production.

Head on landing airplane (Boeing 787)Aerospace technologies are ever-evolving, too. More autonomous platforms will increase the complexity of metallurgical processing. Further into the future, new flight options such as hydrogen propulsion and possibly even hypersonic flight will introduce a more fundamental shift through new materials, environments, and failure mechanisms.

That makes metallurgical processing far more than downstream production steps. For OEMs and Tier 1 suppliers, specialist metallurgical providers are increasingly acting as strategic partners for industrialization and supply chain resilience. They help de-risk the journey from New Product Introduction (NPI) to series production, maintain continuity of supply, and scale production globally.

Increasingly, OEMs and Tier 1 suppliers are looking beyond technical processing capability alone, prioritising industrial partners with globally qualified production networks, multi-process capability, scalable capacity and operational redundancy to support industrial ramp-up and long-term programme resilience.

Why heat treatment and surface engineering matter

So, let's look at the key stakeholders in the NPI programme for an aerospace component requiring heat treatment and/or surface coatings. There are three primary organisations involved. These ecosystems are led by original equipment manufacturers (OEMs) like Airbus and Boeing, who are responsible for the overall aerospace platform, defining requirements, and ensuring specifications are met. Then comes the component maker. Typically, these are Tier 1 or 2 supply chain partners that help design and build components for major systems, such as engines, landing gear, structures, and actuation and control.

Thirdly, there is the heat treatment and metallurgical service supplier. These companies often provide a portfolio of services. Heat treatment technologies might include case hardening, tempering, solution and ageing treatments, annealing, and normalising to help ensure component strength, hardness, toughness, ductility, fatigue performance and wear resistance, while preserving dimensional stability. These heat treatment processes are often applied to applications such as gear shafts and actuator shafts/rods.

Surface coatings represent another set of processes that prolong component life and protect them from environmental factors such as corrosion and abrasion. These might include high-velocity oxygen-fuel and plasma spray processes, and organic, ceramic, and polymer coatings applied to parts such as combustion liners and transitions, compressor blades and landing gear parts.

Meanwhile, some heat treatment and metallurgical process suppliers, such as Bodycote, also provide specialist services, like Hot Isostatic Pressing, which uses high heat and pressure to transform metal into a 100% dense solid. This technique is critical for high-integrity parts in demanding aerospace applications such as turbine blades and vanes, brackets and mounts and landing-gear interface components.

Design and process definition

On NPI programmes, in particular, OEMs, component manufacturers, and specialist heat treatment and surface finishers form close tri-party relationships, often as early as possible in the design cycle. These early-stage interactions can add significant value across the aerospace ecosystem - from design through to delivery and MRO - and are particularly important for long-lifetime platforms that can last decades.

So, what do those NPI relationships look like in the real world? Often, they begin at the design and process definition stage. Here, engineers, methods teams, and quality specialists from all three organisations get together to define the materials, processes, and testing requirements for a specific NPI component. Key programme outcomes must be defined, including performance requirements, preliminary component designs, initial specifications, and the identification of critical materials and properties.

In today's more integrated supply chains, heat treaters and surface finishers advise on specifications and optimise processes for efficient industrial production. This technical consultancy includes advising on part design for manufacturability. Consequently, these organizations are often locked in early on multi-year aerospace platforms, delivering value from end to end.

Feasibility and qualification

The next stage in NPI development is feasibility and qualification. Here, input from specialist metallurgical providers helps streamline processes, often through the elimination of certain machining or grinding workflows. At this point, with the specifications and initial designs in place, component suppliers such as machining companies, forging houses, and casting shops translate them into actual manufacturing workflows.

Again, metallurgical process providers play an important role, helping validate feasibility, interpret requirements, and ensure parts are produced safely and consistently. With comprehensive material and process testing capabilities, specialist providers can collaborate with component suppliers to develop specific heat treatment cycles, temperature profiles, and surface hardness targets, while running Design of Experiments to optimise processes.

Prototyping and early trials establish technical trust and determine who is positioned to support the programme during industrialization. Structured trials and process validations, often including microstructure analysis, provide the component supplier with confidence for consistent production capability and adherence to quality system compliance.

Transition to series production

As the part moves into development, the NPI phase marks a transition from engineering and process specialists to production teams, with the focus shifting to operational performance. Metallurgical process specialists help demonstrate process repeatability and quality control, while developing predictable cycle times and scheduling for reliable execution that aligns with customer sales, inventory, and operations planning (SIOP).

The expectation here is for the specialist provider to demonstrate proven expertise in NPI-to-series handover methodologies, resulting in consistent lead times, accurate yield deliverables, and rigorous quality compliance, thereby eliminating the risk of bottlenecks for the component maker. Proactive communication ensures transparency and visibility into project progress.

Meanwhile, effective, flexible, and scalable production strategies are put in place to support strong capacity planning for demand fluctuations. Suppliers must be equipped to manage "short cycle" customer requirements when necessary, often going over and above contractual expectations. And stringent traceability and monitoring need to be put in place for optimized performance.

Long-term production

Long-term production comes next. Successful full series production depends on how well metallurgical process providers can integrate with customers' operational rhythms. Large suppliers rely on structured SIOP systems and expect partners to meet forecast and capacity requirements. Aerospace programmes can run for many years, and OEMs seek long-term agreements with the supply chain – often through dual-supplier strategies - and based on investment commitments that deliver continuous improvement and capacity growth.

Heat treatment and surface finishers must demonstrate access to worldwide production networks, while maintaining backup and mitigation strategies to enhance supply chain resilience and address single-source concerns. A proven willingness to invest in capital equipment and automation to reduce costs and enhance efficiency can provide a sustainable long-term advantage. These providers must be resourced to manage any operational issues, while providing flexibility for customers' internal versus external processing mix.

These capabilities are crucial to long-term supply chain resilience. Geographic flexibility and dual-source strategies reduce operational risk, allowing work to be transferred between sites when required. This helps maintain continuity, even during the most severe demand spikes. Metallurgical partners are therefore not only evaluated on technical capability, but also scalability, multi-site redundancy and long-term programme stability.

The power of partnership

With decades of experience in the aerospace sector, Bodycote can support all stages of the NPI lifecycle and enjoys preferred status with many major aerospace companies, including Airbus, BAE Systems, Boeing, Honeywell, Pratt & Whitney, and Rolls-Royce.

Knowledgeable and experienced teams of engineers, scientists and technicians can provide technical support at the design, testing and qualification stages, with services including design-to-cost, spec interpretation, engineering feasibility, test optimization and NPI readiness.

This is backed by a global network of aerospace-approved facilities that supports flexible capacity allocation, multi-site redundancy and scalable production across aerospace programmes. This operational flexibility helps customers maintain continuity across fluctuating production schedules and long programme lifecycles.

Ultimately, aerospace OEMs and Tier 1 suppliers are increasingly seeking strategic manufacturing partners like Bodycote to help next-generation platforms reach for the sky.